■ suffix
1》 Botany forming adjectives from family names: ericaceous.
2》 chiefly Biology & Geology forming adjectives describing similarity: olivaceous.
Origin
from L. -aceus 'of the nature of' + -ous .
■ suffix
1》 Botany forming adjectives from family names: ericaceous.
2》 chiefly Biology & Geology forming adjectives describing similarity: olivaceous.
Origin
from L. -aceus 'of the nature of' + -ous .
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004