Standard Lemma guide

desaturation

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • UK: /diːˌsætʃəˈɹeɪʃən/
  • UK: /diːˌsætjəˈɹeɪʃən/
  • rhymes with -eɪʃən

1

noun

Meaning 1

the conversion of a saturated compound to an unsaturated one by removing hydrogen or other atoms to form a double bond

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a decrease in the level of oxygen saturation in a patient's haemoglobin

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree Proto-Indo-European *de Proto-Indo-European *-h1 Proto-Indo-European *déh1 Proto-Italic *dē Latin dē Latin dē-der. English de- Late Latin saturatiobor. English saturation English desaturation From de- + saturation.