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sulfurous (adj.)

1520s, "containing or resembling sulfur, of the nature of brimstone," from Latin sulphurosus "full of sulfur," or a native formation from sulfur + -ous. Hence figurative use with suggestions of hellfire (c. 1600). Scientific chemistry sense is from 1790. The spelling with -ph- is standard in Britain. Earlier in the "brimstone-like" sense was sulphureose (early 15c.), and Old English had sweflen. Related: Sulfurously; sulphurously; sulfurousness.

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Definitions of sulfurous from WordNet

sulfurous (adj.)
of or related to or containing sulfur or derived from sulfur;
Synonyms: sulphurous
sulfurous (adj.)
harsh or corrosive in tone;
a sulfurous denunciation
Synonyms: acerb / acerbic / acid / acrid / bitter / blistering / caustic / sulphurous / virulent / vitriolic
sulfurous (adj.)
characterized by oppressive heat and humidity;
the sulfurous atmosphere preceding a thunderstorm
Synonyms: sultry / stifling / sulphurous
From wordnet.princeton.edu

Dictionary entries near sulfurous

sulfate

sulfide

sulfite

sulfur

sulfuric

sulfurous

sulk

sulky

sullen

sully

sulphur