dou3 sou3倒數倒数
Jyutpingdou3 sou3
Yaledou sou
Definition
Reciprocal; the quotient obtained by dividing one by a non-zero number.
neutralschool
How it's used
Primarily used in mathematical contexts, this term functions strictly as a noun. It describes the relationship where the product of a number and its reciprocal equals one. While it shares characters with the common verb 倒數 meaning to count down, the mathematical sense is distinct and clearly understood through context.
Measure word
go3個goExamples
Related words
Common mistake
Do not confuse this with the verb 倒數, which means to count down in time. The mathematical term is a noun referring to the multiplicative inverse, whereas the verb is used for events or New Year celebrations.
Grammar color guide
Noun
Verb
Adjective
Adverb
Pronoun
Classifier
Particle
Connector
Grammar guides
- Aspect markersCantonese has no tenses, but it does have aspect markers. Learn how zo2, gwo3, gan2, and hai2 dou6 show completion, experience, and ongoing action.
- In 30 secondsThe whole language at a glance. No tenses, no plurals, six tones, sentence particles. Read this before you dive into any specific topic.
- ParticlesSentence particles add tone, emotion, and nuance. Learn the most common particles in Cantonese and how to use them.
