Forming adjectives such as putrid, torrid.

1Forming nouns such as chrysalid, pyramid.

2Biology
Forming names of structural constituents.

3Botany
Forming names of plants belonging to a family with a name ending in -idaceae.

1Zoology
Forming nouns denoting an animal belonging to a family with a name ending in -idae or to a class with a name ending in -ida.

2Forming nouns denoting a member of a specified dynasty or family.

3Astronomy
Forming nouns denoting a meteor in a shower radiating from a specified constellation.

1. 3.1Forming nouns denoting a star of a class like one in a specified constellation.
   More example sentences

   • ‘cepheid’