seon4 loeng6純量纯量

Jyutpingseon4 loeng6
Yalesèuhn leuhng
名詞

Definition

Scalar; a quantity that has magnitude but no direction.

neutralschool

How it's used

This term is strictly used in mathematical and physical contexts to describe quantities like mass, temperature, or speed. It is a technical loan translation from English, so you will rarely encounter it outside of a classroom or scientific discussion. In casual conversation, people usually just describe the concept by saying a value only has size.

Examples

Scalars only have magnitude, they don't have direction.

Common phrases

Common mistake

Learners often confuse this with general adjectives meaning pure, such as 純粹, which share the same character but have completely different meanings. Ensure you only use this when specifically referring to the mathematical concept.

Grammar color guide

Noun
Verb
Adjective
Adverb
Pronoun
Classifier
Particle
Connector