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Meaning of -aceous in English:

-aceous

Pronunciation /?e???s/

suffix

  • 1Botany
    Forming adjectives from family names ending in -aceae (such as ericaceous from Ericaceae).

  • 2Biology Geology
    Forming adjectives describing similarity, especially in shape, texture, or colour.

    ‘arenaceous’
    • ‘olivaceous’

Origin

From Latin -aceus ‘of the nature of’ + -ous.