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平面图 (píng miàn tú) — plan, blueprint (architectural or engineering drawing); plane figure (geometry)

Definition

Two distinct senses: an architectural/engineering 'plan/blueprint', and a 'plane figure' in geometry (2D shape, no depth). Examples 1–2 are the first sense; example 3 is the second.

noun
planblueprint (architectural or engineering drawing)plane figure (geometry)
Measure word · 张

Examples

  • 平面图。
    Jiàn zhù shī zhèng zài xiū gǎi zhè dòng dà lóu de píng miàn tú.
    The architect is revising the plan for this building.
  • 平面图。
    Shī gōng qián bì xū ná dào pī zhǔn de píng miàn tú.
    You must obtain the approved blueprints before construction begins.
  • 平面图。
    Shù xué kè shàng wǒ men huà le yí gè sān jiǎo xíng de píng miàn tú.
    In math class we drew a plane figure of a triangle.

Origin

Compound word
构词法gòucífǎ
偏正piānzhèngModifier + head

The first part narrows down the second: it says what kind of thing the head is.

平面flat surface
平píngflat面miànsurface
偏正Modifier + head
图túdrawing

平面 gives the flat surface or plan view, and 图 is the drawing made from it.

Characters in this word

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

The origin is uncertain. One explanation combines 八 (division) and 亏 (exhaled air) to show smooth speech.

Open 平 →

A drawing of the thing itself, worn down over three thousand years into a few strokes.

面 originally drew a man’s face, with one eye exaggerated; the horizontal stroke was added later.

Open 面 →

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

This origin belongs to the traditional form 圖; 图 is its simplified writing.

  • 囗囗wéiwalled city
  • 啚啚bǐ

The traditional form 圖 pairs 囗, a walled city, with 啚, an early form meaning remote areas or territory. The simplified 图 is a later abbreviation.

Open 图 →
Appears in
MathTechnology & Engineering

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