V2EX gigameter

Gigameter

释义 Definition

gigameter(也作 gigametre)吉米,长度单位,等于 10 米(十亿米),常用于天文学或超大尺度的距离表述。(英式拼写 gigametre

发音 Pronunciation (IPA)

/mitr/

例句 Examples

A gigameter is one billion meters.
一吉米等于十亿米。

At interplanetary scales, distances are sometimes expressed in gigameters to avoid long strings of zeros.
在行星际尺度下,人们有时用吉米来表示距离,以避免写出一长串的零。

词源 Etymology

由前缀 **giga-**(表示“十亿”,源自希腊语 gígas,意为“巨人/巨大的”)+ meter(“米”,源自法语 mètre,最终追溯至希腊语 métron,“测量”)构成,字面义为“十亿米”。

相关词 Related Words

文学与作品 Literary Works

该词更多见于科学与工程文献(如计量学、天文学教材与技术报告)中,在传统文学作品中出现频率较低;在科普与硬科幻语境(涉及行星际航行、天体尺度)中更常见。

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