ACETAL
acetal
(noun) any organic compound formed by adding alcohol molecules to aldehyde molecules
Source: WordNet® 3.1
Etymology
Noun
acetal (plural acetals)
(organic chemistry) Any diether of a geminal diol, R2C(OR')2 (where R' is not H).
Usage notes
Originally the term applied only to derivatives of aldehydes (One R = H) but now also applies to ketones
Source: Wiktionary
Ac"e*tal, n. Etym: [Acetic + alcohol.] (Chem.)
Definition: A limpid, colorless, inflammable liquid from the slow oxidation
of alcohol under the influence of platinum black.
Source: Webster’s Unabridged Dictionary 1913 Edition