unsaturationn.
/ˌʌnsatʃᵿˈreɪʃn/, /ˌʌnsatjᵿˈreɪʃn/, U.S. /ˌənˌsætʃəˈreɪʃən/ Chemistry.
The condition of a compound, esp. an organic one, of having one or more multiple bonds in its molecule. Cf. saturation n. 9.
ΘΚΠ
the world > matter > chemistry > organic chemistry > [noun] > organic structure > condition of having multiple bonds
unsaturation1885
the world > matter > chemistry > chemical reactions or processes > [noun] > chemical reactions or processes (named) > saturation > non-saturation
unsaturation1885
1885 I. Remsen Introd. Study Compounds of Carbon 209 The condition of unsaturation is met with among carbon compounds in several forms.
1932 I. D. Garard Introd. Org. Chem. v. 59 The cause, or explanation, of the unsaturation is not the same in all instances.
1964 N. G. Clark Mod. Org. Chem. vii. 115 Chemical reagents attack the site of unsaturation but this occurs less readily than in the case of the related olefins.
1975 Sci. Amer. Mar. 78/3 The greater the unsaturation in a fat or a wax, that is, the greater the number of double bonds, the more likely it is that the substance will be liquid at low temperatures.
This entry has not yet been fully updated (first published 1926; most recently modified version published online December 2021).
<
n.1885