-id

-id¹

suffix forming adjectives such as putrid.

Origin

from Fr. -ide from L. -idus.

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-id²

suffix

1》 forming nouns such as pyramid.

2》 Biology forming names of structural constituents: plastid.

3》 Botany forming names of plants belonging to a family with a name ending in -idaceae: orchid.

Origin

from or suggested by Fr. -ide, via L. -idis from Gk -is, -id-.

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-id³

suffix forming nouns:

1》 Zoology denoting an animal belonging to a family with a name ending in -idae or to a class with a name ending in -ida: arachnid.

2》 denoting a member of a specified dynasty or family.

3》 Astronomy denoting a meteor in a shower radiating from a specified constellation: Geminids.

Origin

from or suggested by L. -ides (plural -idae, -ida), from Gk.