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trisulfide

[ trahy-suhl-fahyd, -fid ]
/ traɪˈsʌl faɪd, -fɪd /
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noun Chemistry.
a sulfide containing three sulfur atoms.
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QUIZ YOURSELF ON "WAS" VS. "WERE"!
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“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.

Origin of trisulfide

First recorded in 1865–70; tri- + sulfide
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
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