SULFIDE


Meaning of SULFIDE in English

I. noun

or sul·phide ˈsəlˌfīd, -lfə̇d

( -s )

Etymology: International Scientific Vocabulary sulf- + -ide; probably originally formed as German sulfid

1. : a compound of sulfur analogous to an oxide with sulfur in place of oxygen:

a. : a binary compound of sulfur usually with a more electropositive element : a salt of hydrogen sulfide

sulfides of iron

the metallic sulfides except those of the alkali metals are usually insoluble in water and occur in many cases as minerals

— compare disulfide 1, polysulfide

b. : a compound of sulfur with more than one element

many minerals (as tetrahedrite) are double or multiple sulfides

— compare sulfosalt

2. : a compound of sulfur analogous to an ether with sulfur in place of oxygen : an ester of hydrogen sulfide

ethyl sulfide (C 2 H 5 ) 2 S

— called also organic sulfide, thioether ; compare disulfide 2, mustard gas

II. transitive verb

or sulphide “

( -ed/-ing/-s )

: to treat with or convert into a sulfide — compare xanthate

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.