Dictionary

hydrogen sulfide

noun

Definition of HYDROGEN SULFIDE

:  a flammable poisonous gas H2S that has an odor suggestive of rotten eggs and is found especially in many mineral waters and in putrefying matter

First Known Use of HYDROGEN SULFIDE

1869

hydrogen sulfide

noun    (Medical Dictionary)

Medical Definition of HYDROGEN SULFIDE

:  a flammable poisonous gas H2S that has an odor suggestive of rotten eggs and is found especially in many mineral waters and in putrefying matter

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