"reversible" in the noun sense
a garment (especially a coat) that can be worn inside out (with either side of the cloth showing)
"reversible" in the adjective sense
capable of reversing or being reversed
2. reversible, two-sided
capable of being reversed or used with either side out
"a reversible jacket"
capable of being reversed
"a reversible decision is one that can be appealed or vacated"
capable of assuming or producing either of two states
"a reversible chemical reaction"
"a reversible cell"
Source: WordNet® (An amazing lexical database of English)
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