follow Dictionary.com

Is irregardless a word?

mercury sulfide

noun, Chemistry
Origin of mercury sulfide
1930-1935
1930-35

mercuric sulfide

or mercury sulfide

noun, Chemistry
1.
a crystalline, water-insoluble, poisonous compound, HgS, occurring as a coarse, black powder (black mercuric sulfide) or as a fine, bright-scarlet powder (red mercuric sulfide) used chiefly as a pigment and as a source of the free metal.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source

Word of the Day

Difficulty index for mercury sulfide

Few English speakers likely know this word

Word Value for mercury

14
16
Scrabble Words With Friends