V2EX nucleate

Nucleate

Definition / 释义

nucleate *(动词)*:(使)成核;(使)形成核心或中心;(群体)围绕某个点开始聚集并形成结构
常用于化学、材料科学、气象等语境,描述“新相/晶体/气泡等最初形成的起点”。

Pronunciation / 发音(IPA)

/njukli.et/(英); /nukli.et/(美)

Examples / 例句

Ice crystals nucleate on tiny dust particles.
冰晶会在微小的尘埃颗粒上成核。

As the solution cools, small impurities can nucleate crystals, which then grow into visible solids.
当溶液冷却时,微小杂质可能促使晶体成核,随后晶体长大并形成可见的固体。

Etymology / 词源

来自拉丁语 nucleus(“核、果仁、核心”),引申为“事物的中心/起始核心”。英语中加上动词后缀 -ate,形成 nucleate,表示“形成核心、使开始成核”。

Related Words / 相关词

Literary Works / 文学与著作例证

  • Atkins’ Physical Chemistry(《阿特金斯物理化学》):在相变、结晶与成核相关章节中常见 nucleate / nucleation
  • Callister’s Materials Science and Engineering(《材料科学与工程(卡利斯特)》):在相变与微观组织形成中使用 nucleate 描述新相的起始形成。
  • Porter & Easterling’s Phase Transformations in Metals and Alloys(《金属与合金中的相变》):讨论形核与长大机制时频繁出现该词。
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