[ 'mastɔɪd ]
■ adjective Anatomy relating to the ~ process.
■ noun Anatomy the ~ process.
↘( ~s ) [treated as sing. ] informal ~itis.
Origin
C18: via Fr. and mod. L. from Gk mastoeidēs 'breast-shaped', from mastos 'breast'.
[ 'mastɔɪd ]
■ adjective Anatomy relating to the ~ process.
■ noun Anatomy the ~ process.
↘( ~s ) [treated as sing. ] informal ~itis.
Origin
C18: via Fr. and mod. L. from Gk mastoeidēs 'breast-shaped', from mastos 'breast'.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004