"tempered" in the verb sense
1. anneal, temper, normalize
bring to a desired consistency, texture, or hardness by a process of gradually heating and cooling
"temper glass"
2. temper, harden
harden by reheating and cooling in oil
"temper steel"
3. temper
adjust the pitch (of pianos)
4. temper, season, mollify, moderate
make more temperate, acceptable, or suitable by adding something else
"she tempered her criticism"
5. chasten, temper
change by restraining or moderating
"tempered" in the adjective sense
1. tempered, treated, hardened, toughened
made hard or flexible or resilient especially by heat treatment
"a sword of tempered steel"
"tempered glass"
2. tempered
adjusted or attuned by adding a counterbalancing element
"criticism tempered with kindly sympathy"
Source: WordNet® (An amazing lexical database of English)
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