deciduous

形容词 adj.
中文释义
英 /dɪˈsɪd͡ʒ.ʊ.əs/    美 /dɪˈsɪd͡ʒ.u.əs/

英文释义

形容词 adj.
  1. Describing a part that falls off, or is shed, at a particular time or stage of development. not-comparable
    — In the Hippoidea there is generally the full series of 44 teeth, but the first premolar is often deciduous or wanting in the lower or in both jaws.
  2. Of or pertaining to trees which lose their leaves in winter or the dry season. not-comparable
    — . Compare caducous.
  3. Transitory, ephemeral, not lasting. figuratively,not-comparable

词汇关系

衍生词
brevideciduous deciduosity deciduous camellia deciduous holly deciduously deciduousness deciduous tooth deciduous winterberry indeciduous nondeciduous semideciduous subdeciduous undeciduous
相关词
decay decadence decidence

词源

Etymology tree
Proto-Indo-European *de
Proto-Indo-European *-h₁
Proto-Indo-European *déh₁
Proto-Italic *dē
Latin dē
Latin dē-
Proto-Indo-European *ḱad-
Proto-Indo-European *-eti
Proto-Indo-European *ḱádeti
Proto-Italic *kadō
Latin cadō
Latin dēcidō
Proto-Indo-European *-wós
Proto-Italic *-wos
Latin -uus
Latin dēciduuslbor.
English deciduous
Learned borrowing from Latin dēciduus (“falling down or off”), from dēcidō (“to fall down or off”) + -uus.
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