Hydrosulfide definitions

hī'drə-sŭl'fīd'
The univalent anionic group HS, or a chemical compound derived from hydrogen sulfide by replacement of one of the hydrogen atoms with a cationic metal or group.
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(chemistry) Any compound formally derived from hydrogen sulfide by replacing one hydrogen atom with a metal or other radical; a thiol or mercaptan.
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(chemistry) The HS- anion.
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