[ ˌtɛtrə'sʌɪkli:n , -lɪn ]
■ noun Medicine any of a large group of antibiotics with a molecular structure containing four rings.
Origin
1950s: from tetra- + cyclic + -ine 4 .
[ ˌtɛtrə'sʌɪkli:n , -lɪn ]
■ noun Medicine any of a large group of antibiotics with a molecular structure containing four rings.
Origin
1950s: from tetra- + cyclic + -ine 4 .
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004