acetāl
21acetal — noun /ˈæsɪˌtæl/ Any diether of a geminal diol, RC(OR) (where R does not = H) …
22acetal — Product of the addition of 2 mol of alcohol to one of an aldehyde, thus : RCHO + 2R′OH → RCH(OR′)2 + H2O; in mixed acetals ( e.g., glycosides), two different alcohols are bound to the original aldehyde group. SEE ALSO: hemiacetal, hemiketal,… …
23Acetal — Ace|tal 〈n. 11; fachsprachl.〉 = Azetal * * * A|ce|tal [Kurzw. aus ↑ Acetaldehyd u. ↑ Alkohol], das; s, e: aus einem Aldehyd (R1 CHO) u. zwei Alkohol Molekülen (R2 OH) unter Wasserabspaltung entstehende, meist fl., angenehm riechende u. als Lsgm.… …
24Acetal — Ace|tal [ats...] das; s, e <zu 2↑...al> chem. Verbindung aus einem ↑Aldehyd u. ↑Alkohol …
25acetal — m I, D. u; lm M. e, D. i chem. «związek chemiczny powstający w wyniku działania alkoholu na aldehyd; bezbarwna ciecz o przyjemnym zapachu, stosowana w przemyśle farmaceutycznym i perfumeryjnym; skrótowo o acetalu dwuetylowym aldehydu octowego» ‹z …
26acetal — n. (Chemistry) colorless flammable liquid used in the manufacture of cosmetics and as a solvent; any of a class of compounds created by the combination of aldehydes and alcohol …
27acetal — [ asɪtal] noun Chemistry an organic compound formed by the condensation of two alcohol molecules with an aldehyde molecule. Origin C19: from acetic acid + al from alcohol …
28acetal — ac·e·tal …
29acetal — ac•e•tal [[t]ˈæs ɪˌtæl[/t]] n. 1) chem. a colorless liquid, C6H14O2, used chiefly as a solvent and in making perfume 2) chem. any of a class of compounds of aldehydes with alcohols • Etymology: 1850–55 …
30acetal — /ˈæsətl/ (say asuhtl), /əˈsitl/ (say uh seetl) noun 1. a colourless, volatile fluid, CH3CH(OC2H5)2, used as a hypnotic or solvent. 2. one of a class of compounds of aldehydes or ketones with alcohols. {acet(o) + al3} …
