TUFA

tuff, tufa

(noun) hard volcanic rock composed of compacted volcanic ash

tufa, calc-tufa

(noun) a soft porous rock consisting of calcium carbonate deposited from springs rich in lime

Source: WordNet® 3.1

Etymology

Noun

tufa (countable and uncountable, plural tufas)

Calcareous lime deposited by precipitation from a body of water, such as a hot spring.

(rock) A variety of volcanic rock, tuff.

Synonym: tuff

Hypernyms

• (calcareous deposit): calcite, limestone

Anagrams

• FUTA, UFTA, futa

Source: Wiktionary

Tu"fa, Etym: [It. fufo soft, sandy stone, L. tofus, tophus. Cf. Tofus, Toph, and Tophin.] (Min.) (a) A soft or porous stone formed by depositions from water, usually calcareous; -- called also calcareous tufa. (b) A friable volcanic rock or conglomerate, formed of consolidated cinders, or scoria.

Source: Webster’s Unabridged Dictionary 1913 Edition

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