alum
alum is defined in Webster's Unabridged Dictionary (1913) with 2 senses, and appears in Roget's Thesaurus (1911) with 32 related terms. The full text of each entry is reproduced verbatim below.
Definitions
- 1.A double sulphate formed of aluminium and some other element (esp. an alkali metal) or of aluminium. It has twenty-four molecules of water of crystallization. Note: Common alum is the double sulphate of aluminium and potassium. It is white, transparent, very astringent, and crystallizes easily in octahedrons. The term is extended so as to include other double sulphates similar to alum in formula.
- 2.To steep in, or otherwise impregnate with, a solution of alum; to treat with alum. Ure.
Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
Synonyms
Related terms (Roget's 1911)
- acerb
- acescent
- acetic
- acetose
- acetous
- acid
- acidify
- acidity
- acidulate
- acidulous
- crab
- crabbed
- edge
- fermentation
- hard
- lactic
- lemon
- low
- render
- rough
- set
- sour
- sourish
- sourness
- styptic
- subacid
- tart
- teeth
- the
- turn
- verjuice
- vinegar
Source: Roget's Thesaurus, 1911 edition (public domain, via Project Gutenberg eBook #10681).
Related questions
Reverse-dictionary questions
Definition-first questions whose answer is alum.
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/alum
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