[ tʌf ]
■ noun a light, porous rock formed by consolidation of volcanic ash.
Derivatives
~aceous -'feɪʃəs adjective
Origin
C16: via Fr. from Ital. tufo , from late L. tofus , L. tophus (see tophus ).
[ tʌf ]
■ noun a light, porous rock formed by consolidation of volcanic ash.
Derivatives
~aceous -'feɪʃəs adjective
Origin
C16: via Fr. from Ital. tufo , from late L. tofus , L. tophus (see tophus ).
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004