Standard Lemma guide

innervation

noun · 5 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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  • Received-Pronunciation: /ɪn.əˈveɪ.ʃən/
  • Received-Pronunciation: /ɪn.əˈveɪ.ʃn̩/
  • General-American: /ˌɪn.ɚˈveɪ.ʃən/
  • General-American: /ɪˌnɝˈveɪ.ʃən/
  • rhymes with -eɪʃən

1

noun

Meaning 1

The act of innervating or stimulating.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: anatomy, biology, medicine, natural-sciences, sciences, zoology

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Special activity excited in any part of the nervous system or in any organ of sense or motion; the nervous influence necessary for the maintenance of life, and the functions of the various organs.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: anatomy, biology, medicine, natural-sciences, sciences, zoology

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

The distribution of nerves in an animal, or to any of its parts.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: anatomy, biology, medicine, natural-sciences, sciences, zoology

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

the distribution of nerve fibers to an organ or body region

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: distribution, dispersion

5

noun

Meaning 5

the neural or electrical arousal of an organ or muscle or gland

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: excitation, irritation

Antonyms: none provided

Broader terms: arousal

History

Etymology

Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Italic *n̥- Latin in-bor. Middle English in- English in- English nerve Proto-Indo-European *-h2 Proto-Indo-European *-éh2 Proto-Indo-European *-tós Proto-Indo-European *-eh2tos Proto-Italic *-ātos Latin -ātuslbor. English -ate English innervate Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin -ātiōlbor. Old French -ationbor. Middle English -acioun English -ation English -ion English innervation From innervate + -ion.

Across languages

Translations

7 source translations are retained for this English entry.

  • Catalan: innervació — act of innervating
  • Finnish: hermoärsytys — act of innervating
  • French: innervation — act of innervating
  • Spanish: inervación — act of innervating
  • Finnish: vaste — special excited activity
  • Spanish: inervación — special excited activity
  • Finnish: hermotus — distribution of nerves
Real reading context

innervation in complete knowledge articles