copperas
copperas is defined in Webster's Unabridged Dictionary (1913) with 1 sense, and appears in Roget's Thesaurus (1911) with 40 related terms. The full text of each entry is reproduced verbatim below.
Definitions
- 1.Green vitriol, or sulphate of iron; a green crystalline substance, of an astringent taste, used in making ink, in dyeing black, as a tonic in medicine, etc. It is made on a large scale by the oxidation of iron pyrites. Called also ferrous sulphate. Note: The term copperas was formerly synonymous with vitriol, and included the green, blue, and white vitriols, or the sulphates of iron, copper, and zinc.
Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
Synonyms
Related terms (Roget's 1911)
- absinthe
- and
- antique
- apple
- aquamarine
- beryl
- blue
- bottle
- coke
- disease
- emerald
- envy
- glaucoma
- glaucous
- grass
- green
- greenish
- greenness
- ill
- inexperienced
- learner
- malachite
- new
- novice
- olive
- pea
- sea
- sick
- the
- tint
- unskillful
- verd
- verdant
- verdigris
- verdine
- verditer
- verditure
- verdure
- verdurous
- vert
Source: Roget's Thesaurus, 1911 edition (public domain, via Project Gutenberg eBook #10681).
Related questions
Sources
- Definitions: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
- Synonyms: Roget's Thesaurus, 1911 edition (public domain, via Project Gutenberg eBook #10681).
- Canonical URL: https://worddirectanswers.com/word/copperas
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