mei4 mai5微米

Jyutpingmei4 mai5
Yalemèih máih
量詞

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.

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