Diatreme

//ˈdaɪ.əˌtɹim// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A cone-shaped volcanic vent produced by the explosion of gas-filled magma.

Etymology

From dia- + -treme.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.