deciduous

/dɪˈsɪdʒuəs/ (bre, ipa) · /dɪˈsɪdʒuəs/ (ame, ipa) · /di-ˈsi-jə-wəs -jü-əs/ (ame, mw)

deciduous — 形容詞

  • deciduouspositive
  • more deciduouscomparative
  • most deciduoussuperlative

1. describing a tree, shrub, or similar plant that drops its leaves for part of the

1.形容詞C1
釋義

落葉的

指植物每年會掉葉再長新葉

describing a tree, shrub, or similar plant that drops its leaves for part of the year and later grows a fresh set

例句

Hiro sketched the bare deciduous trees along the river in November.

Hiro 在十一月畫下河邊已經光禿的落葉樹。

common noun phrase: deciduous tree(s)

A row of deciduous maples shaded Talia's porch through the summer.

一排落葉楓樹在整個夏天都替 Talia 的門廊遮陰。

同義詞
  • leaf-shedding

    a plain descriptive phrase for the same idea, but less standard as a dictionary label

反義詞
  • evergreen

    describes trees or shrubs that keep their leaves through the year

用法筆記

Most often used for trees, shrubs, forests, and garden planting plans. It is frequently contrasted with 'evergreen' when people describe what a landscape looks like in winter.

常見錯誤

The deciduous tree stays green all winter.
The evergreen tree stays green all winter.
💡'deciduous' describes plants that lose their leaves for part of the year.

2. describing teeth, antlers, and similar body parts that are shed after a stage of

2.形容詞C2
釋義

脫換性

指會脫落並再長出新一組的部位

describing teeth, antlers, and similar body parts that are shed after a stage of growth, with another set later taking their place

例句

The dentist explained that Noah's loose front tooth was still deciduous.

牙醫解釋 Noah 那顆搖動的門牙還是脫換性的牙齒。

predicative use with tooth/teeth

Young deer lose their deciduous antlers before a stronger set grows.

幼鹿會先脫下脫換性鹿角,之後再長出更結實的一組。

specialized use with antlers

同義詞
  • primary

    the standard dental term for the first set of teeth

  • baby

    the everyday word used before 'tooth' or 'teeth', not for antlers or other body parts

反義詞
  • permanent

    used for the later teeth meant to remain

  • adult

    common everyday label for the replacement teeth

用法筆記

This sense is most common in dental or biological writing, especially in the phrase 'deciduous teeth.' In everyday speech, many people simply say 'baby teeth' for the same teeth.

常見錯誤

These are his adult teeth, so they will fall out soon.
These are his deciduous teeth, so they will fall out soon.
💡deciduous teeth are the first teeth that later get replaced.