几何 (jǐ hé) — geometry

Definition

The branch of mathematics dealing with the properties and relations of points, lines, surfaces, and solids. In classical Chinese, 几何 also means 'how much' or 'how many' (now replaced by 几).

noun
geometry

Examples

  • 几何
    Wǒ xiǎo shí hou jué de jǐ hé hěn nán, xiàn zài jué de hěn yǒu yì si.
    When I was young I thought geometry was hard, now I find it very interesting.
  • 几何
    jǐ hé Shì shù xué de zhòng yào fēn zhī.
    Geometry is an important branch of mathematics.
  • 几何
    Lǎo shī ràng wǒ men yòng jǐ hé zhī shi jiě jué zhè ge wèn tí.
    The teacher asked us to use geometry knowledge to solve this problem.

Origin

Compound word
构词法gòucífǎ
联合liánhéCoordinate

Two parts of equal weight, alike or opposite in meaning, standing side by side.

how many
what

The 几 and 何 both ask about amount or extent, and the term came to name the study of spatial measure.

Characters in this word

Two or more meaningful parts placed together so that their meanings combine into a new one.

This origin belongs to the traditional form 幾; 几 is its simplified writing.

  • 𢆶𢆶𢆶silk threads; little things
  • shùto guard against

The traditional form 幾 puts 𢆶 (silk threads; little things) and 戍 (to guard against) together to show watching over the fine details; the simplified 几 is a later abbreviation.

Open 几 →

Two or more meaningful parts placed together so that their meanings combine into a new one.

The old form of 何 drew a person carrying something on their shoulder. If the carried thing was a 戈, the 人 and 戈 parts together showed that picture.

Open 何 →

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