sei3 bin1 jing4四邊形四边形

Jyutpingsei3 bin1 jing4
Yalesei bīn yìhng
名詞

Definition

Quadrilateral; a polygon with four sides.

neutralschool

How it's used

Mathematical terms like this are often used in academic or formal contexts, but they are pronounced with Cantonese phonology. While students learn these in geometry classes, they rarely appear in casual conversation unless discussing shapes or architecture. It is a precise term that covers a wide variety of specific shapes.

Measure word

go3go

Common phrases

draw a quadrilateral

Common mistake

Learners sometimes confuse this with the more general term 多邊形, which refers to any polygon. Ensure you are specifically referring to a four-sided figure when using this term.

Grammar color guide

Noun
Verb
Adjective
Adverb
Pronoun
Classifier
Particle
Connector