English-Thai Dictionary
sulphurous
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Webster's 1828 Dictionary
SULPHUROUS
a.Like sulphur; containing sulphur; also, designating an acid formed by sulphur subsaturated with oxygen. This is called sulphurous acid.
Webster's 1913 Dictionary
SULPHUROUS
Sul "phur *ous, a. Etym: [L. sulphurosus, sulfurosus: cf. F.sulfureux. ]
1. Of or pertaining to sulphur.
2. (Chem. ) (a ) Derived from, or containing, sulphur; specifically, designating those compounds in which the element has a lower valence as contrasted with the sulphuric compounds.(b ) Having the characteristic odor of sulphur dioxide, or of hydrogen sulphide, or of other sulphur compounds. Sulphurous acid. (a ) Sulphur dioxide. See under Sulphur. [Obs. ] (b ) An acid, H2SO3, not known in the free state except as a solution of sulphur dioxide in water, but forming a well-known series of salts (the sulphites ). -- Sulphurous anhydride (Chem. ), sulphur dioxide. See under Sulphur.
Oxford Dictionary
sulphurous
sulphurous |ˈsʌlf (ə )rəs |(US sulfurous ) ▶adjective 1 (chiefly of vapour ) containing or derived from sulphur: wafts of sulphurous fumes. • like sulphur in colour; pale yellow. 2 marked by anger or profanity: a sulphurous glance. ORIGIN late Middle English: from Latin sulphurosus, from sulphur (see sulphur ).
sulphurous acid
sul ¦phur |ous acid ▶noun [ mass noun ] Chemistry an unstable weak acid formed when sulphur dioxide dissolves in water. It is used as a reducing and bleaching agent. ●Chem. formula: H 2 SO 3.
Sanseido Wisdom Dictionary
sulphurous
sul phur ous /sʌ́lf (ə )rəs /形容詞 ｟英 ｠＝sulfurous .
The Wordsmith Dictionary