wui4 gwai1 nin4回歸年回归年
Jyutpingwui4 gwai1 nin4
Yalewùih gwāi nìhn
Definition
A tropical or solar year.
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How it's used
This is a technical term primarily used in astronomy and calendar science rather than daily conversation. It refers specifically to the cycle of seasons, which is why it is the basis for the solar calendar. You will mostly encounter this in scientific contexts or when discussing the mechanics of how leap years are calculated.
Examples
It turns out a tropical year has as many as 365 days.
Do you know what the difference is between a tropical year and a sidereal year?
Related words
Common phrases
calculate the tropical year
length of the tropical year
Grammar color guide
Noun
Verb
Adjective
Adverb
Pronoun
Classifier
Particle
Connector
Grammar guides
- Directional complementsThe small words added after a verb to show direction of movement, like up, down, out, in, and back. Common in everyday Cantonese.
- DemonstrativesThis and that with 呢 and 嗰, the personal pronouns, and how 哋 turns I, you, and he into we, you all, and they.
- Resultative complementsSticking a result word onto a verb to show how it turned out, like eat until full or look and find. A productive everyday pattern.



