-aceoussuffix

Primary stress is attracted to the first syllable of this suffix and vowels may be reduced accordingly.

Origin: A borrowing from Latin, combined with an English element. Etymons: Latin -āceus , -ous suffix.

Etymology: < classical Latin -āceus, suffix forming adjectives, with the sense ‘of the nature of’ ( < -āc- + -eus : see -eous suffix) + -ous suffix. Compare scientific Latin -aceae (late 18th cent. or earlier in family names of plants, as Ranunculaceae (see ranunculaceous adj.), Rosaceae (see rosaceous adj.), etc.). Compare also French -acé (formations in which are found from the 16th cent., apparently earliest in cétacé cetacean adj.).Attested earliest at the beginning of the 17th cent. in adaptations of classical Latin adjectives in -āceus , e.g. arenaceous adj., herbaceous adj., porraceous adj.; subsequently also in adaptations of post-classical Latin and scientific Latin taxonomic names ending in -acea (e.g. cetaceous adj., crustaceous adj.) and -aceae (for the names of plants and fungi, the regular use in botanical taxonomy of the suffix -aceae having been introduced by J. Lindley in 1836 in his Nat. Syst. Bot. (ed. 2)), e.g. mucoraceous adj., musaceous adj.

Categories »

1. Chiefly Biology and Medicine. Forming adjectives in general use (chiefly scientific) with the sense ‘of the nature of, relating to’, as carbonaceous adj. 1, membranaceous adj. 1, sebaceous adj.

Categories »

2. Botany and Zoology. Forming adjectives with the sense ‘belonging or relating to a taxonomic group whose name ends in -acea, or (typically) a plant family whose name ends in -aceae’, as cetaceous adj., rosaceous adj. 1, ranunculaceous adj.

This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2020).

单词	-aceous
释义	-aceoussuffix Primary stress is attracted to the first syllable of this suffix and vowels may be reduced accordingly. Origin: A borrowing from Latin, combined with an English element. Etymons: Latin -āceus , -ous suffix. Etymology: < classical Latin -āceus, suffix forming adjectives, with the sense ‘of the nature of’ ( < -āc- + -eus : see -eous suffix) + -ous suffix. Compare scientific Latin -aceae (late 18th cent. or earlier in family names of plants, as Ranunculaceae (see ranunculaceous adj.), Rosaceae (see rosaceous adj.), etc.). Compare also French -acé (formations in which are found from the 16th cent., apparently earliest in cétacé cetacean adj.).Attested earliest at the beginning of the 17th cent. in adaptations of classical Latin adjectives in -āceus , e.g. arenaceous adj., herbaceous adj., porraceous adj.; subsequently also in adaptations of post-classical Latin and scientific Latin taxonomic names ending in -acea (e.g. cetaceous adj., crustaceous adj.) and -aceae (for the names of plants and fungi, the regular use in botanical taxonomy of the suffix -aceae having been introduced by J. Lindley in 1836 in his Nat. Syst. Bot. (ed. 2)), e.g. mucoraceous adj., musaceous adj. Categories » 1. Chiefly Biology and Medicine. Forming adjectives in general use (chiefly scientific) with the sense ‘of the nature of, relating to’, as carbonaceous adj. 1, membranaceous adj. 1, sebaceous adj. Categories » 2. Botany and Zoology. Forming adjectives with the sense ‘belonging or relating to a taxonomic group whose name ends in -acea, or (typically) a plant family whose name ends in -aceae’, as cetaceous adj., rosaceous adj. 1, ranunculaceous adj. This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2020). < suffix
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