Standard Lemma guide

lignin

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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  • lĭg′-nĭn
  • General-American: /ˈlɪɡ.nɪn/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • rhymes with -ɪɡnɪn
  • CMU ARPABET: L IH1 G N IH0 N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

A complex non-carbohydrate aromatic polymer present in all wood.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

Topics: chemistry, natural-sciences, organic-chemistry, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a complex polymer; the chief constituent of wood other than carbohydrates; binds to cellulose fibers to harden and strengthen cell walls of plants

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: polymer

History

Etymology

From Latin lignum (“wood”) + -in.

Across languages

Translations

14 source translations are retained for this English entry.

  • Czech: lignin — aromatic polymer
  • Dutch: lignine — aromatic polymer
  • Esperanto: lignino — aromatic polymer
  • Estonian: ligniin — aromatic polymer
  • Finnish: ligniini — aromatic polymer
  • German: Lignin — aromatic polymer
  • Greek: λιγνίνη (ligníni) — aromatic polymer
  • Hungarian: lignin — aromatic polymer
  • Polish: lignina — aromatic polymer
  • Polish: drzewnik — aromatic polymer
  • Portuguese: lignina — aromatic polymer
  • Portuguese: lenhina — aromatic polymer
  • Spanish: lignina — aromatic polymer
  • Turkish: odun özü — aromatic polymer