Definition of cinder cone in English:

cinder cone

Syllabification: cin·der cone

noun

A cone formed around a volcanic vent by fragments of lava thrown out during eruptions.
More example sentences
  • Small vesicular pieces of volcanic material, scoria, collect around the vent to form a cinder cone.
  • Pago is a cinder cone about 820 feet high near the center of the caldera.
  • Ground was broken to begin construction on a cinder cone atop an inactive volcano called Mauna Kea.

Definition of cinder cone in:

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Pronunciation: dɪˈmɒrəlʌɪz
verb
cause (someone) to lose confidence or hope