判別式

简 判别式 · 繁 判別式
Mandarin · pinyin pàn bié shì

Meanings

  1. (math.) discriminant (e.g. b²-4ac in the formula for the roots of a quadratic equation)
Full entryShow on map

Characters in this entry

判
pàn · judge; discriminate; conclude
別
Look up this written character
式
shì · style, system, formula, rule
别
bié · separate, other; do not
Written characters and their own readings; the entry’s pronunciation is shown above.

Explore the spelling

Mandarin tones

4–2–4 · pan4 bie2 shi4

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.

判別式 · find source passages ↗ · 判别式 · find source passages ↗

Explore Classical grammar ↗

Compare dictionary sources Rime · Wiktionary

Rime Cantonese 粵拼

pun3 bit6 sik1

Cantonese word readings for 判別式. 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

  1. (algebra) discriminant (function of a polynomial's coefficients)

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

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

判別式 · pan4 bie2 shi4
CC-CEDICT contributors and MDBG · edition 2026-10-13 · source line 13,953
Original dictionary · CC BY-SA 4.0 · Source & transformation details
Exact source record判別式 判别式 [pan4 bie2 shi4] /(math.) discriminant (e.g. b²-4ac in the formula for the roots of a quadratic equation)/