Tuff

[tʌf]

Definition

(noun.) hard volcanic rock composed of compacted volcanic ash.

Checker: Neil--From WordNet

Definition

(n.) Same as Tufa.

Editor: Milton

Synonyms and Synonymous

n. Tufa.

Edited by Adrian

Definition

n. generally volcanic tuff the name given to the comminuted rock-dé–Žris ejected from a volcanic orifice.

Edited by Bertram