[ ˌmɛnə'kwɪnəʊn ]
■ noun Biochemistry a member of the vitamin K group, a compound produced by intestinal bacteria and essential for the blood-clotting process.
Origin
1940s: from the chemical name me(thyl)-na(phtho)quinone .
[ ˌmɛnə'kwɪnəʊn ]
■ noun Biochemistry a member of the vitamin K group, a compound produced by intestinal bacteria and essential for the blood-clotting process.
Origin
1940s: from the chemical name me(thyl)-na(phtho)quinone .
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004