DICTIONARY · CC-CEDICT

平行公設

简平行公设 · 繁平行公設

Mandarin · pinyin píng xíng gōng shè

(geometry) the parallel postulate (Euclid's fifth postulate)

Full entryShow on map

Characters in this entry

平: píng · flat, level, even; peaceful
行: xíng · go; walk; move, travel; circulate; Kangxi radical 144
公: gōng · fair, equitable; public; duke
設: Look up this written character
设: shè · build; establish; display

Written characters and their own readings; the entry’s pronunciation is shown above.

Explore the spelling

Mandarin tones

2–2–1–4 · ping2 xing2 gong1 she4

Compare attested words with these syllables ↗

Dictionary tones. Connected speech can change their realization.

Connected dictionary

4character links

Explore word families ↗Compare pronunciations ↗Open character structure ↗

Counts describe dictionary records, not word frequency or semantic similarity. Source identities stay separate.

Read this spelling in Classical texts

Follow a written form into the eight pinned witnesses: Analects, Mencius, Laozi, Zhuangzi, Xunzi, Han Feizi, Sunzi and the Mao Shijing. A match is a place to investigate; it does not prove that a modern dictionary sense fits the passage.

平行公設 · find source passages ↗ · 平行公设 · find source passages ↗

Explore Classical grammar ↗

Compare dictionary sources Rime · Wiktionary

Rime Cantonese 粵拼

ping4 hang4 gung1 cit3

Cantonese word readings for 平行公設. This lexicon supplies readings, not definitions.

CanCLID contributors · CC BY 4.0 · source & license · Data pack

Wiktionary English definitions · Chinese section

Independent source senses for this spelling, with usage labels retained. Not matched to the pronunciation above.

noun

(geometry) parallel postulate

Source page · dump 2026-09-02 · Contributors & history

Wiktionary contributors · CC BY-SA 4.0 · source & license · Data pack