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断面積 (だんめんせき) Japanese meaning | Kotomora

断だん面めん積せき

だ

ん

め

ん

せ

き

Meanings

1

noun

cross-sectional area

Technical term used in physics, engineering, and materials science to describe the area of a cross-section.

このワイヤーの断だん面めん積せきは2平へい方ほうミリメートルです。
The cross-sectional area of this wire is 2 square millimeters.
断だん面めん積せきが大おおきいほど、流ながせる電でん流りゅうも増ふ

え

ます

。

The larger the cross-sectional area, the more current it can carry.

Kanji

断severance, decline, refuse
面mask, face, features
積volume, product (x*y), acreage

Similar words

断だん面めん
断面 means 'cross-section' (the shape or surface itself), while 断面積 specifically refers to the numerical area of that cross-section.

Etymology

Compound of 断面 (cross-section) and 積 (area, product). The exact historical derivation is uncertain, but the term is a straightforward technical coinage.