Standard Lemma guide

defoliation

noun · 3 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: /diːˌfəʊliːˈ(j)eɪʃən/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • rhymes with -eɪʃən

1

noun

Meaning 1

The separation of ripened leaves from a branch or stem; the falling or shedding of the leaves.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

causing the leaves of trees and other plants to fall off (as by the use of chemicals)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: change of state

3

noun

Meaning 3

the loss of foliage

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: organic process, biological process

History

Etymology

Etymology tree English defoliate 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 defoliation From defoliate + -ion.

Across languages

Translations

7 source translations are retained for this English entry.

  • Bulgarian: обезлистяване (obezlistjavane) — separation of ripened leaves from a branch or stem
  • Bulgarian: листопад (listopad) — separation of ripened leaves from a branch or stem
  • Catalan: defoliació — separation of ripened leaves from a branch or stem
  • French: défolitation — separation of ripened leaves from a branch or stem
  • German: Entlaubung — separation of ripened leaves from a branch or stem
  • Greek: φυλόρροια (fylórroia) — separation of ripened leaves from a branch or stem
  • Swedish: lövfällning — separation of ripened leaves from a branch or stem
Real reading context

defoliation in complete knowledge articles