Standard Lemma guide

lahar

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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /ˈlɑhɑɹ/
  • Southern-England: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

A volcanic mudflow.

Definition source: English Wiktionary via Wiktextract

Topics: geography, geology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

an avalanche of volcanic water and mud down the slopes of a volcano

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: avalanche

History

Etymology

Borrowed from Javanese ꦭꦲꦂ (lahar). Introduced as geological term by Berend George Escher in 1922.

Across languages

Translations

19 source translations are retained for this English entry.

  • Chinese Mandarin: 火山泥流 (huǒshān níliú) — volcanic mudflow
  • Danish: lahar — volcanic mudflow
  • Dutch: lahar — volcanic mudflow
  • Finnish: lahari — volcanic mudflow
  • Finnish: vulkaaninen mutavyöry — volcanic mudflow
  • French: lahar — volcanic mudflow
  • German: Lahar — volcanic mudflow
  • Greek: λαχάρ (lachár) — volcanic mudflow
  • Indonesian: lahar — volcanic mudflow
  • Italian: lahar — volcanic mudflow
  • Japanese: ラハール (rahāru) — volcanic mudflow
  • Javanese: ꦭꦲꦂ (lahar) — volcanic mudflow
  • Malay: lahar — volcanic mudflow
  • Bishnupriya Manipuri: লহর — volcanic mudflow
  • Polish: lahar — volcanic mudflow
  • Portuguese: lahar — volcanic mudflow
  • Russian: лаха́р (laxár) — volcanic mudflow
  • Slovak: lahár — volcanic mudflow
  • Spanish: lahar — volcanic mudflow