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Learn English · 把认识的词变成会用的词词条内容来自 Wiktionary，按 CC BY-SA 4.0 许可使用；每个词条页附有原文链接。

precession · Learn English

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precession

Wiktionary 原文

中文来自 ECDICT

n.: 先行，优先

演变路径（由近及远）

英语
继承自 ←中古英语 precessioun
源自 ←中世纪拉丁语 praecessio
源自 ←拉丁语 praecēdō

词源说明

From Middle English precessioun, precession, from Medieval Latin prēcessiōn-, prēcessio, from Latin praecēdō.

释义（英文）

名词 Noun

(uncountable) Precedence.
(physics, countable) The wobbling motion of the axis of a spinning body when there is an external force acting on the axis.
(astronomy

词族

派生词（1）

相关词（1）

, uncountable) The

of the

's axis around the

of the

, caused mainly by the

of the

and

.

Any of several slow changes in an astronomical body's rotational or orbital parameters.