Last Updated
：2026/01/06
幾何中項
Hiragana
きかちゅうこう
Noun
Japanese Meaning
幾何学において、ある二つの量 a, c に対し、比 a:b = b:c を満たす量 b を指す。a と c の幾何平均に相当する。
Easy Japanese Meaning
二つの数のあいだにあって、はしの数どうしのかけた数と同じになるまんなかの数
Chinese (Simplified) Meaning
数学：若a:b=b:c，则b为a与c的几何中项。 / 几何平均数；即b=√(ac)。 / 比例中项。
Chinese (Traditional) Meaning
兩數的幾何平均數 / 在比例 a:b = b:c 中的中項（比例中項）
Korean Meaning
(수학) 기하평균 / a와 c가 a:b=b:c를 만족할 때의 b(비례중항)
Vietnamese Meaning
trung bình nhân (trung bình hình học) / số b thỏa a:b = b:c, trung số hình học giữa a và c
Tagalog Meaning
heometrikong gitna ng a at c (ang b kung a:b = b:c) / gitnang termino sa proporsiyong heometriko / gitnang heometriko
Sense（1）
(mathematics) geometric mean, specifically, if the variables a, b, c satisfy the relation a:b=b:c, then b is the 幾何中項 of a and c.
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
(mathematics) geometric mean, specifically, if the variables a, b, c satisfy the relation a:b=b:c, then b is the 幾何中項 of a and c.
See correct answer
幾何中項
See correct answer
He taught me how to calculate the geometric mean.
See correct answer
彼は幾何中項の計算方法を教えてくれました。
Japanese - English
Word Edit Setting
- Users who have edit permission for words - All Users
- Screen new word creation
- Screen word edits
- Screen word deletion
- Screen changing entry name
- Users authorized to vote on judging - All Users
- Number of votes required for decision - 1
Sentence Edit Setting
- Users who have edit permission for sentences - All Users
- Screen sentence deletion
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Quiz Edit Setting
- Users who have edit permission for quizzes - All Users
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
