mil

word

/ˈmɪɫ/
mil
/mˈɪl/
mil

Definition

A 'mil' is a unit of length equal to one thousandth of an inch, mainly used in the United States for measuring thickness, for example of plastic sheets or wires.

Usage & Nuances

'Mil' is mostly used in technical, industrial, or manufacturing contexts in the US. Not to be confused with 'millimeter' or with the abbreviation for 'mile.' Always singular: '5 mil', not '5 mils.'

Example Sentences

This wire is covered with a 5 mil layer of insulation.

basic

A 20 mil bag is very strong.

basic

For extra protection, choose 15 mil gloves instead of the standard ones.

natural

Painters often prefer 12 mil drop cloths for job sites.

natural

That pipe’s coating measures just 3 mil, so it's not very thick.

natural

The plastic sheet is 10 mil thick.

basic