English Lexicon

Unsaturation

/ˌʌnˌsætʃ.əˈreɪ.ʃən/
nounCEFR C1 (Advanced)Top #15420 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    The state or condition of an organic chemical compound containing carbon-carbon double or triple bonds that can accept additional atoms.

    "The degree of unsaturation in the fatty acid chain affects its melting point and fluidity."
  2. 2

    The condition of a solution or substance that is not completely saturated, meaning it can still dissolve more of a solute or absorb more of a vapor.

    "Continuous monitoring of the vapor unsaturation helped prevent condensation in the drying chamber."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from the English prefix un- (denoting negation or absence of) combined with saturation, which stems from the Latin saturare (to fill, glut), ultimately from satur (full). The chemical and physical terminology emerged in the late 19th century as organic chemistry developed to describe molecules containing double or triple bonds.

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