Last Updated
：2026/01/13
断面積
Hiragana
だんめんせき
Noun
Japanese Meaning
幾何学や物理学で、物体や構造物をある平面で切ったときに現れる断面の広さを表す量。単位は平方メートル (m²) など。 / 構造力学などで、棒や梁などの部材が荷重を受ける際、その力が作用する面として考えられる断面の広さ。強度計算や応力解析に用いられる。
Easy Japanese Meaning
ものを切ったときに見える面の大きさ
Chinese (Simplified) Meaning
截面积 / 横截面积 / 断面面积
Chinese (Traditional) Meaning
物體被平面切割所得截面的面積。 / 幾何或工程中表示截面大小的量。
Korean Meaning
단면의 면적 / 물체를 특정 평면으로 절단했을 때 생기는 단면의 넓이
Indonesian
luas penampang / luas penampang melintang
Vietnamese Meaning
diện tích tiết diện / diện tích mặt cắt / diện tích mặt cắt ngang
Tagalog Meaning
lawak ng krus-seksyon / lawak ng hiwang seksiyon
Sense（1）
(geometry) cross-sectional area
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
See correct answer
断面積
See correct answer
What is the cross-sectional area of this pillar?
See correct answer
この柱の断面積はどれくらいですか？
Japanese - English
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