[ ˌʌɪsə(ʊ)'dʒi:ə(ʊ)θə:m ]
■ noun Geography a line or surface on a diagram of the earth's interior connecting points having the same temperature.
Derivatives
~al adjective
Origin
C19: from iso- + geo- + Gk thermē 'heat'.
[ ˌʌɪsə(ʊ)'dʒi:ə(ʊ)θə:m ]
■ noun Geography a line or surface on a diagram of the earth's interior connecting points having the same temperature.
Derivatives
~al adjective
Origin
C19: from iso- + geo- + Gk thermē 'heat'.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004