micrometre

Definition

An SI and mks unit of measure, the length of one-millionth of a metre. Symbol: μm, um, μ.

Etymology

From micro- + metre.

Example Sentences

• "Holonyms: millimetre < centimetre < decimetre < metre < kilometre < megametre < gigametre < terametre < petametre"
• "Meronyms: picometre < nanometre"