Definition of supernatants

"supernatants" in the noun sense

1. supernatant

the clear liquid that lies above a sediment or precipitate

Source: WordNet® (An amazing lexical database of English)

Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.

View WordNet® License

↑

supernatants in Scrabble®

The word supernatants is playable in Scrabble®, no blanks required. Because it is longer than 7 letters, you would have to play off an existing word or do it in several moves.

Scrabble® Letter Score: 14

Highest Scoring Scrabble® Plays In The Letters supernatants:

SUPERNATANTS

(144)

SUPERNATANTS

(144)

Seven Letter Word Alert: (74 words)

anapest, aptness, astuter, attunes, aurates, entrant, entraps, entrust, natters, natures, nutters, panters, parents, pasters, pasture, patents, pattern, patters, peanuts, peasant, pretans, punners, punster, punters, putters, repasts, resnaps, respans, sarapes, satraps, saunter, searats, seastar, spanner, sparest, spartan, spatter, sputter, startup, staters, statues, stature, stratas, stratus, stunner, stunter, stupers, sunstar, suntans, suntrap, tanners, tannest, tapster, tarpans, tartans, tartpan, tasters, taunter, tautens, tenants, tetanus, trepans, truants, unearnt, unparse, unrests, unseats, unsnaps, unspent, unstrap, untraps, uprates, upstart, upstate

All Scrabble® Plays For The Word supernatants

SUPERNATANTS

(144)

SUPERNATANTS

(144)

SUPERNATANTS

(96)

SUPERNATANTS

(96)

SUPERNATANTS

(64)

SUPERNATANTS

(64)

SUPERNATANTS

(64)

SUPERNATANTS

(64)

SUPERNATANTS

(60)

SUPERNATANTS

(60)

SUPERNATANTS

(56)

SUPERNATANTS

(56)

SUPERNATANTS

(56)

SUPERNATANTS

(56)

SUPERNATANTS

(54)

SUPERNATANTS

(48)

SUPERNATANTS

(44)

SUPERNATANTS

(36)

SUPERNATANTS

(36)

SUPERNATANTS

(36)

SUPERNATANTS

(36)

SUPERNATANTS

(32)

SUPERNATANTS

(32)

SUPERNATANTS

(32)

SUPERNATANTS

(24)

SUPERNATANTS

(20)

SUPERNATANTS

(20)

SUPERNATANTS

(20)

SUPERNATANTS

(19)

SUPERNATANTS

(18)

SUPERNATANTS

(18)

SUPERNATANTS

(17)

The 200 Highest Scoring Scrabble® Plays For Words Using The Letters In supernatants

SUPERNATANTS

(144)

SUPERNATANTS

(144)

SUPERNATANTS

(96)

SUPERNATANTS

(96)

TARPANS

(86 = 36 + 50)

STARTUP

(86 = 36 + 50)

UPSTART

(86 = 36 + 50)

PARENTS

(86 = 36 + 50)

SUNTRAP

(86 = 36 + 50)

SARAPES

(86 = 36 + 50)

SARAPES

(86 = 36 + 50)

SUNTRAP

(86 = 36 + 50)

ANAPEST

(86 = 36 + 50)

ANAPEST

(86 = 36 + 50)

PRETANS

(86 = 36 + 50)

SATRAPS

(86 = 36 + 50)

PATTERN

(86 = 36 + 50)

RESPANS

(86 = 36 + 50)

SPUTTER

(86 = 36 + 50)

SPANNER

(86 = 36 + 50)

PATTERN

(86 = 36 + 50)

RESPANS

(86 = 36 + 50)

SPANNER

(86 = 36 + 50)

TARTPAN

(86 = 36 + 50)

TREPANS

(86 = 36 + 50)

SPUTTER

(86 = 36 + 50)

TARTPAN

(86 = 36 + 50)

TREPANS

(86 = 36 + 50)

SPAREST

(86 = 36 + 50)

ANAPEST

(86 = 36 + 50)

PRETANS

(86 = 36 + 50)

PARENTS

(86 = 36 + 50)

PANTERS

(86 = 36 + 50)

UNTRAPS

(86 = 36 + 50)

TAPSTER

(86 = 36 + 50)

SATRAPS

(86 = 36 + 50)

PEANUTS

(86 = 36 + 50)

ENTRAPS

(86 = 36 + 50)

APTNESS

(86 = 36 + 50)

APTNESS

(86 = 36 + 50)

UPRATES

(86 = 36 + 50)

ENTRAPS

(86 = 36 + 50)

PASTERS

(86 = 36 + 50)

PEANUTS

(86 = 36 + 50)

UNPARSE

(86 = 36 + 50)

TAPSTER

(86 = 36 + 50)

PEASANT

(86 = 36 + 50)

UPRATES

(86 = 36 + 50)

PASTERS

(86 = 36 + 50)

STUPERS

(86 = 36 + 50)

TARPANS

(86 = 36 + 50)

UNTRAPS

(86 = 36 + 50)

UNPARSE

(86 = 36 + 50)

PATTERS

(86 = 36 + 50)

STARTUP

(86 = 36 + 50)

PATTERS

(86 = 36 + 50)

PEASANT

(86 = 36 + 50)

TARPANS

(86 = 36 + 50)

RESPANS

(86 = 36 + 50)

UNSTRAP

(86 = 36 + 50)

RESNAPS

(86 = 36 + 50)

PUTTERS

(86 = 36 + 50)

TREPANS

(86 = 36 + 50)

PUNSTER

(86 = 36 + 50)

SPAREST

(86 = 36 + 50)

PATENTS

(86 = 36 + 50)

UNSPENT

(86 = 36 + 50)

STUPERS

(86 = 36 + 50)

SPARTAN

(86 = 36 + 50)

PASTURE

(86 = 36 + 50)

SPATTER

(86 = 36 + 50)

PASTURE

(86 = 36 + 50)

UNSNAPS

(86 = 36 + 50)

REPASTS

(86 = 36 + 50)

SPATTER

(86 = 36 + 50)

UNSPENT

(86 = 36 + 50)

PATENTS

(86 = 36 + 50)

REPASTS

(86 = 36 + 50)

UPSTATE

(86 = 36 + 50)

PUNSTER

(86 = 36 + 50)

UNSPENT

(86 = 36 + 50)

PUTTERS

(86 = 36 + 50)

STUPERS

(86 = 36 + 50)

PUNNERS

(86 = 36 + 50)

PANTERS

(86 = 36 + 50)

PUNTERS

(86 = 36 + 50)

UPSTART

(86 = 36 + 50)

PUNTERS

(86 = 36 + 50)

UNSTRAP

(86 = 36 + 50)

SPARTAN

(86 = 36 + 50)

UPSTATE

(86 = 36 + 50)

RESNAPS

(86 = 36 + 50)

PUNNERS

(86 = 36 + 50)

UNSNAPS

(86 = 36 + 50)

UNSPENT

(80 = 30 + 50)

TAPSTER

(80 = 30 + 50)

PATTERS

(80 = 30 + 50)

APTNESS

(80 = 30 + 50)

PATTERS

(80 = 30 + 50)

APTNESS

(80 = 30 + 50)

PEANUTS

(80 = 30 + 50)

PATENTS

(80 = 30 + 50)

SPARTAN

(80 = 30 + 50)

UNPARSE

(80 = 30 + 50)

APTNESS

(80 = 30 + 50)

UNPARSE

(80 = 30 + 50)

SPARTAN

(80 = 30 + 50)

UNSPENT

(80 = 30 + 50)

PATTERS

(80 = 30 + 50)

PATENTS

(80 = 30 + 50)

UNPARSE

(80 = 30 + 50)

PEANUTS

(80 = 30 + 50)

UNSNAPS

(80 = 30 + 50)

PEANUTS

(80 = 30 + 50)

UNSNAPS

(80 = 30 + 50)

SPARTAN

(80 = 30 + 50)

UNPARSE

(80 = 30 + 50)

SATRAPS

(80 = 30 + 50)

SPARTAN

(80 = 30 + 50)

SATRAPS

(80 = 30 + 50)

APTNESS

(80 = 30 + 50)

PEANUTS

(80 = 30 + 50)

UNPARSE

(80 = 30 + 50)

PATTERS

(80 = 30 + 50)

UNSNAPS

(80 = 30 + 50)

SPARTAN

(80 = 30 + 50)

PATTERN

(80 = 30 + 50)

SPANNER

(80 = 30 + 50)

SATRAPS

(80 = 30 + 50)

PUNTERS

(80 = 30 + 50)

PATTERN

(80 = 30 + 50)

UNSNAPS

(80 = 30 + 50)

SPANNER

(80 = 30 + 50)

SPAREST

(80 = 30 + 50)

SPANNER

(80 = 30 + 50)

SPAREST

(80 = 30 + 50)

PATTERN

(80 = 30 + 50)

UNSNAPS

(80 = 30 + 50)

SPAREST

(80 = 30 + 50)

PATTERN

(80 = 30 + 50)

SPAREST

(80 = 30 + 50)

UNSNAPS

(80 = 30 + 50)

UNSNAPS

(80 = 30 + 50)

SPAREST

(80 = 30 + 50)

PATENTS

(80 = 30 + 50)

PATENTS

(80 = 30 + 50)

SPANNER

(80 = 30 + 50)

SPANNER

(80 = 30 + 50)

PATTERS

(80 = 30 + 50)

SUNTRAP

(80 = 30 + 50)

PATENTS

(80 = 30 + 50)

PATTERS

(80 = 30 + 50)

SUNTRAP

(80 = 30 + 50)

SPARTAN

(80 = 30 + 50)

SUNTRAP

(80 = 30 + 50)

SPAREST

(80 = 30 + 50)

SPAREST

(80 = 30 + 50)

SUNTRAP

(80 = 30 + 50)

SPANNER

(80 = 30 + 50)

SPAREST

(80 = 30 + 50)

SUNTRAP

(80 = 30 + 50)

PATTERS

(80 = 30 + 50)

SPANNER

(80 = 30 + 50)

SUNTRAP

(80 = 30 + 50)

PATTERN

(80 = 30 + 50)

PATTERN

(80 = 30 + 50)

SPANNER

(80 = 30 + 50)

UNSNAPS

(80 = 30 + 50)

SUNTRAP

(80 = 30 + 50)

PATENTS

(80 = 30 + 50)

TAPSTER

(80 = 30 + 50)

APTNESS

(80 = 30 + 50)

RESNAPS

(80 = 30 + 50)

PUNNERS

(80 = 30 + 50)

PUNNERS

(80 = 30 + 50)

RESNAPS

(80 = 30 + 50)

RESNAPS

(80 = 30 + 50)

RESNAPS

(80 = 30 + 50)

TREPANS

(80 = 30 + 50)

PUNNERS

(80 = 30 + 50)

RESNAPS

(80 = 30 + 50)

TREPANS

(80 = 30 + 50)

TREPANS

(80 = 30 + 50)

RESNAPS

(80 = 30 + 50)

TREPANS

(80 = 30 + 50)

PUNSTER

(80 = 30 + 50)

PUNNERS

(80 = 30 + 50)

RESPANS

(80 = 30 + 50)

TREPANS

(80 = 30 + 50)

PUNNERS

(80 = 30 + 50)

RESPANS

(80 = 30 + 50)

RESPANS

(80 = 30 + 50)

TARTPAN

(80 = 30 + 50)

TARTPAN

(80 = 30 + 50)

TREPANS

(80 = 30 + 50)

PUNNERS

(80 = 30 + 50)

TARTPAN

(80 = 30 + 50)

RESNAPS

(80 = 30 + 50)

RESNAPS

(80 = 30 + 50)

RESPANS

(80 = 30 + 50)

Your Best
Scrabble
Plays Legendary
Scrabble
Plays

↑

supernatants in Words With Friends™

The word supernatants is playable in Words With Friends™, no blanks required. Because it is longer than 7 letters, you would have to play off an existing word or do it in several moves.

Words With Friends™ Letter Score: 18

Highest Scoring Words With Friends™ Plays In The Letters supernatants:

SUPERNATANTS

(216)

SUPERNATANTS

(216)

Seven Letter Word Alert: (74 words)

All Words With Friends™ Plays For The Word supernatants

SUPERNATANTS

(216)

SUPERNATANTS

(216)

SUPERNATANTS

(198)

SUPERNATANTS

(198)

SUPERNATANTS

(132)

SUPERNATANTS

(132)

SUPERNATANTS

(88)

SUPERNATANTS

(84)

SUPERNATANTS

(80)

SUPERNATANTS

(80)

SUPERNATANTS

(72)

SUPERNATANTS

(72)

SUPERNATANTS

(72)

SUPERNATANTS

(72)

SUPERNATANTS

(56)

SUPERNATANTS

(56)

SUPERNATANTS

(52)

SUPERNATANTS

(52)

SUPERNATANTS

(44)

SUPERNATANTS

(44)

SUPERNATANTS

(24)

SUPERNATANTS

(24)

SUPERNATANTS

(24)

SUPERNATANTS

(23)

SUPERNATANTS

(23)

SUPERNATANTS

(23)

SUPERNATANTS

(22)

SUPERNATANTS

(22)

SUPERNATANTS

(22)

SUPERNATANTS

(22)

SUPERNATANTS

(22)

SUPERNATANTS

(21)

The 200 Highest Scoring Words With Friends™ Plays Using The Letters In supernatants

SUPERNATANTS

(216)

SUPERNATANTS

(216)

SUPERNATANTS

(198)

SUPERNATANTS

(198)

SUPERNATANTS

(132)

SUPERNATANTS

(132)

UNSNAPS

(110 = 75 + 35)

UNSPENT

(110 = 75 + 35)

PUNNERS

(110 = 75 + 35)

UNSPENT

(110 = 75 + 35)

SPANNER

(107 = 72 + 35)

PUNSTER

(107 = 72 + 35)

UNPARSE

(107 = 72 + 35)

PUNTERS

(107 = 72 + 35)

RESPANS

(104 = 69 + 35)

TARTPAN

(104 = 69 + 35)

TREPANS

(104 = 69 + 35)

ANAPEST

(104 = 69 + 35)

PANTERS

(104 = 69 + 35)

APTNESS

(104 = 69 + 35)

RESNAPS

(104 = 69 + 35)

TARPANS

(104 = 69 + 35)

UNSTRAP

(101 = 66 + 35)

UNTRAPS

(101 = 66 + 35)

PEANUTS

(101 = 66 + 35)

SUNTRAP

(101 = 66 + 35)

UNSNAPS

(98 = 63 + 35)

UNSNAPS

(98 = 63 + 35)

RESPANS

(98 = 63 + 35)

PATTERN

(98 = 63 + 35)

PRETANS

(98 = 63 + 35)

SPARTAN

(98 = 63 + 35)

ANAPEST

(98 = 63 + 35)

PASTURE

(98 = 63 + 35)

STUPERS

(98 = 63 + 35)

STARTUP

(98 = 63 + 35)

STUPERS

(98 = 63 + 35)

UNSPENT

(98 = 63 + 35)

UPSTATE

(98 = 63 + 35)

TARPANS

(98 = 63 + 35)

SPUTTER

(98 = 63 + 35)

TREPANS

(98 = 63 + 35)

PUNNERS

(98 = 63 + 35)

UPSTART

(98 = 63 + 35)

PATENTS

(98 = 63 + 35)

ENTRAPS

(98 = 63 + 35)

UPRATES

(98 = 63 + 35)

PUTTERS

(98 = 63 + 35)

PEASANT

(98 = 63 + 35)

PUNNERS

(98 = 63 + 35)

PARENTS

(98 = 63 + 35)

UNSPENT

(98 = 63 + 35)

SATRAPS

(95 = 60 + 35)

SARAPES

(95 = 60 + 35)

SPATTER

(95 = 60 + 35)

PASTERS

(95 = 60 + 35)

PUNSTER

(95 = 60 + 35)

REPASTS

(95 = 60 + 35)

SPAREST

(95 = 60 + 35)

PATTERS

(95 = 60 + 35)

PEANUTS

(95 = 60 + 35)

PUNTERS

(95 = 60 + 35)

UNTRAPS

(95 = 60 + 35)

TAPSTER

(95 = 60 + 35)

SPANNER

(95 = 60 + 35)

SUNTRAP

(95 = 60 + 35)

UNSTRAP

(95 = 60 + 35)

TREPANS

(92 = 57 + 35)

PATENTS

(92 = 57 + 35)

STARTUP

(92 = 57 + 35)

PASTURE

(92 = 57 + 35)

ANAPEST

(92 = 57 + 35)

RESNAPS

(92 = 57 + 35)

PUTTERS

(92 = 57 + 35)

UPSTART

(92 = 57 + 35)

UNSPENT

(92 = 57 + 35)

APTNESS

(92 = 57 + 35)

UPRATES

(92 = 57 + 35)

STUPERS

(92 = 57 + 35)

ENTRAPS

(92 = 57 + 35)

TARPANS

(92 = 57 + 35)

TREPANS

(92 = 57 + 35)

TARPANS

(92 = 57 + 35)

PEASANT

(92 = 57 + 35)

PUNNERS

(92 = 57 + 35)

RESPANS

(92 = 57 + 35)

PANTERS

(92 = 57 + 35)

PRETANS

(92 = 57 + 35)

UNSNAPS

(92 = 57 + 35)

STUPERS

(92 = 57 + 35)

UPSTATE

(92 = 57 + 35)

PATTERN

(92 = 57 + 35)

SPARTAN

(92 = 57 + 35)

RESPANS

(92 = 57 + 35)

SPUTTER

(92 = 57 + 35)

ANAPEST

(92 = 57 + 35)

PARENTS

(92 = 57 + 35)

SUNTRAP

(89 = 54 + 35)

UNTRAPS

(89 = 54 + 35)

SUNTRAP

(89 = 54 + 35)

PEANUTS

(89 = 54 + 35)

SPANNER

(89 = 54 + 35)

PUNSTER

(89 = 54 + 35)

SPATTER

(89 = 54 + 35)

SPAREST

(89 = 54 + 35)

UNTRAPS

(89 = 54 + 35)

UNPARSE

(89 = 54 + 35)

SATRAPS

(89 = 54 + 35)

UNSTRAP

(89 = 54 + 35)

PEANUTS

(89 = 54 + 35)

UNSTRAP

(89 = 54 + 35)

PASTERS

(89 = 54 + 35)

PUNTERS

(89 = 54 + 35)

SPANNER

(89 = 54 + 35)

PEANUTS

(89 = 54 + 35)

PATTERS

(89 = 54 + 35)

SUPERNATANTS

(88)

UNSPENT

(87 = 52 + 35)

UNSNAPS

(87 = 52 + 35)

PUNNERS

(87 = 52 + 35)

UNSPENT

(87 = 52 + 35)

PUNNERS

(87 = 52 + 35)

UNSNAPS

(87 = 52 + 35)

UNSPENT

(87 = 52 + 35)

UNSNAPS

(87 = 52 + 35)

PUNNERS

(87 = 52 + 35)

PASTURE

(86 = 51 + 35)

RESNAPS

(86 = 51 + 35)

UNSPENT

(86 = 51 + 35)

PUNNERS

(86 = 51 + 35)

SPARTAN

(86 = 51 + 35)

ENTRAPS

(86 = 51 + 35)

PEASANT

(86 = 51 + 35)

PRETANS

(86 = 51 + 35)

UNSPENT

(86 = 51 + 35)

PUNNERS

(86 = 51 + 35)

UNSNAPS

(86 = 51 + 35)

UNSNAPS

(86 = 51 + 35)

STUPERS

(86 = 51 + 35)

UNSPENT

(86 = 51 + 35)

UPSTART

(86 = 51 + 35)

SPUTTER

(86 = 51 + 35)

PARENTS

(86 = 51 + 35)

APTNESS

(86 = 51 + 35)

PUNNERS

(86 = 51 + 35)

UNSNAPS

(86 = 51 + 35)

UPSTATE

(86 = 51 + 35)

UNSNAPS

(86 = 51 + 35)

PATTERN

(86 = 51 + 35)

UNSNAPS

(86 = 51 + 35)

PUNNERS

(86 = 51 + 35)

PUTTERS

(86 = 51 + 35)

PATENTS

(86 = 51 + 35)

UPRATES

(86 = 51 + 35)

UNSPENT

(86 = 51 + 35)

STARTUP

(86 = 51 + 35)

SUPERNATANTS

(84)

UNSTRAP

(83 = 48 + 35)

UNSTRAP

(83 = 48 + 35)

PUNTERS

(83 = 48 + 35)

PEANUTS

(83 = 48 + 35)

UNTRAPS

(83 = 48 + 35)

SUNTRAP

(83 = 48 + 35)

PUNTERS

(83 = 48 + 35)

STUNNER

(83 = 48 + 35)

PUNSTER

(83 = 48 + 35)

UNPARSE

(83 = 48 + 35)

UNTRAPS

(83 = 48 + 35)

SUNTANS

(83 = 48 + 35)

UNTRAPS

(83 = 48 + 35)

UNPARSE

(83 = 48 + 35)

UNPARSE

(83 = 48 + 35)

UNPARSE

(83 = 48 + 35)

PUNSTER

(83 = 48 + 35)

PUNSTER

(83 = 48 + 35)

STUNNER

(83 = 48 + 35)

PEANUTS

(83 = 48 + 35)

SUNTRAP

(83 = 48 + 35)

PUNTERS

(83 = 48 + 35)

UNSTRAP

(83 = 48 + 35)

UNSTRAP

(83 = 48 + 35)

UNSTRAP

(83 = 48 + 35)

SUNTANS

(83 = 48 + 35)

STUNNER

(83 = 48 + 35)

UNPARSE

(83 = 48 + 35)

PUNSTER

(83 = 48 + 35)

UNSTRAP

(83 = 48 + 35)

UNPARSE

(83 = 48 + 35)

UNTRAPS

(83 = 48 + 35)

UNTRAPS

(83 = 48 + 35)

PUNSTER

(83 = 48 + 35)

PUNTERS

(83 = 48 + 35)

SPANNER

(83 = 48 + 35)

PEANUTS

(83 = 48 + 35)

SUNTANS

(83 = 48 + 35)

SPANNER

(83 = 48 + 35)

STUNNER

(83 = 48 + 35)

SPANNER

(83 = 48 + 35)

SUNTRAP

(83 = 48 + 35)

PUNSTER

(83 = 48 + 35)

Legendary
Words With Friends
Plays Your Best
Words With Friends
Plays

↑

Words within the letters of supernatants

2 letter words in supernatants (14 words)

aa an ar as at en nu pa pe re ta un up us

3 letter words in supernatants (54 words)

aas ant ape apt are ars art asp ass ate ear eat ens era ess eta nap net nun nus nut pan par pat pea pen per pet pun pus put ran rap rat rue run rut sap sat sea set spa sue sun tan tap tar tau tea ten tet ups urn use

4 letter words in supernatants (121 words)

5 letter words in supernatants (143 words)

8 letter words in supernatants (31 words)

9 letter words in supernatants (6 words)

saturants saturates stuprates sustenant transepts trapnests

11 letter words in supernatants (1 word)

supernatant

12 letter words in supernatants (1 word)

supernatants

↑

Words containing the sequence supernatants

Words that start with supernatants (1 word)

supernatants

Words with supernatants in them (1 word)

supernatants

Words that end with supernatants (1 word)

supernatants

↑

Word Growth involving supernatants

Shorter words in supernatants

an ant ants

an ant supernatant

at supernatant

pe per super supernatant

up super supernatant

an tan supernatant

ta tan supernatant

Longer words containing supernatants

(No longer words found)

Definition of supernatants

"supernatants" in the noun sense

1. supernatant

supernatants in Scrabble®

Scrabble® Letter Score: 14

Highest Scoring Scrabble® Plays In The Letters supernatants:

Seven Letter Word Alert: (74 words)

All Scrabble® Plays For The Word supernatants

The 200 Highest Scoring Scrabble® Plays For Words Using The Letters In supernatants

supernatants in Words With Friends™

Words With Friends™ Letter Score: 18

Highest Scoring Words With Friends™ Plays In The Letters supernatants:

Seven Letter Word Alert: (74 words)

All Words With Friends™ Plays For The Word supernatants

The 200 Highest Scoring Words With Friends™ Plays Using The Letters In supernatants

Words within the letters of supernatants

2 letter words in supernatants (14 words)

3 letter words in supernatants (54 words)

4 letter words in supernatants (121 words)

5 letter words in supernatants (143 words)

6 letter words in supernatants (117 words)

7 letter words in supernatants (74 words)

8 letter words in supernatants (31 words)

9 letter words in supernatants (6 words)

11 letter words in supernatants (1 word)

12 letter words in supernatants (1 word)

Words containing the sequence supernatants

Words that start with supernatants (1 word)

Words with supernatants in them (1 word)

Words that end with supernatants (1 word)

Word Growth involving supernatants

Shorter words in supernatants

Longer words containing supernatants