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quercitannoform. In DICTIOUS you will not only get to know all the dictionary meanings for the word
quercitannoform, but we will also tell you about its etymology, its characteristics and you will know how to say
quercitannoform in singular and plural. Everything you need to know about the word
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English
Etymology
From quercitannin + -form (“formaldehyde”).
Noun
quercitannoform (uncountable)
- (obsolete) Tannoform derived from quercitannin or quercitannic, rather than gallotannic, acid.
1896, Institute of Brewing (Great Britain), Journal of the Federated Institutes of Brewing, page 290:Quercitannoform, CH2(C1, H13O7)2 + H2O, from quercitannic acid and formaldehyde, is a reddish - yellow powder which blackens at 275°; it is insoluble in water, ammonia, and soda, and its solution in sulphuric acid, which […]
1896, The Pharmaceutical Era, page 455:QUERCITANNOFORM is prepared in the same oak-bark, forming a yellowish-red powder, insoluble in water, alkalies and other organic solvents. In addition, Quecitannoform […]
References
- Dorland's Illustrated Medical Dictionary, 1925, page 959: “quercitannoform (kwer-sit-an'o-form). A variety of tannoform prepared with quercitannic, instead of gallotannic, acid.”