mei4 mai5微米
Jyutpingmei4 mai5
Yalemèih máih
Definition
Micrometer; a metric unit of length equal to one millionth of a meter.
neutralother
How it's used
Scientific and technical contexts are the primary domain for this term, as it is rarely used in casual daily conversation. While it is a standard unit of measurement, people often default to using 毫米 for anything visible to the naked eye, reserving this term for precise engineering or manufacturing specifications.
Examples
The thickness of this paper is about one hundred micrometres.
Do you know how many micrometres thick this material is?
Related words
Common phrases
micrometre thickness
Common mistake
Learners sometimes confuse this with 毫米, which is a millimetre. Remember that a millimetre is one thousand times larger than a micrometre.
Grammar color guide
Noun
Verb
Adjective
Adverb
Pronoun
Classifier
Particle
Connector
Grammar guides
- NegationHow to say no, not, didn't, and don't in Cantonese. The four main negation words and when to use each one.
- Numbers and moneyCounting, talking about money, and asking how much things cost. Includes the two words for two and the everyday words for dollars and cents.
- 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.



