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
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
• (calcareous deposit): calcite, limestone
• 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
29 May 2025
(adjective) characterized by careful evaluation and judgment; “a critical reading”; “a critical dissertation”; “a critical analysis of Melville’s writings”
Wordscapes is a popular word game consistently in the top charts of both Google Play Store and Apple App Store. The Android version has more than 10 million installs. This guide will help you get more coins in less than two minutes of playing the game. Continue reading Wordscapes: Get More Coins