[ 'tɛfrə ]
■ noun Geology rock fragments and particles ejected by a volcanic eruption.
Origin
1940s: from Gk, lit. 'ash, ashes'.
TEPHRA
Meaning of TEPHRA in English
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004
[ 'tɛfrə ]
■ noun Geology rock fragments and particles ejected by a volcanic eruption.
Origin
1940s: from Gk, lit. 'ash, ashes'.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004