TUFF

tuff, tufa

(noun) hard volcanic rock composed of compacted volcanic ash

Source: WordNet® 3.1

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Etymology 1

Noun

tuff (countable and uncountable, plural tuffs)

(rock) A light porous rock, now especially a rock composed of compacted volcanic ash varying in size from fine sand to coarse gravel.

Synonym: tufa

Etymology 2

Adjective

tuff (comparative tuffer, superlative tuffest)

Eye dialect spelling of tough.

Proper noun

Tuff (plural Tuffs)

A surname.

Statistics

• According to the 2010 United States Census, Tuff is the 30043^rd most common surname in the United States, belonging to 781 individuals. Tuff is most common among Black/African American (55.19%) and White (37.77%) individuals.

Source: Wiktionary

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Tuff, n. (Min.)

Definition: Same as Tufa.

Source: Webster’s Unabridged Dictionary 1913 Edition

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