noun

millimetre

millimeter

The insect is only a few millimetres long.

The insect is only a few millimeters long.

Please cut it with a precision of one millimetre.

Please cut it with a precision of one millimeter.

((number)) millimeters ((long/wide)) a measure of length The insect is a few millimeters long.

Synonyms: a tiny distance

From Latin 'mille' (thousand) and 'meter'. It means 'a thousandth of a meter'.

The prefix 'milli-' means 'one-thousandth'. It's the same as in milliliter or milligram.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.