Skip to main content
mil

mil

7 9.9
A unit for measuring thickness equal to one thousandth of an inch
  • noun
  • /mɪl/
  • Specialized
translation icon : milésima de pulgada
  • It's a six mil pond liner with a kind of a string reinforcement in the inside for strength.
  • 30 mil
  • 30-mil PVC
  • 30-mil liner

So what was that quarter mil round there?

Examples

  • Two coats of the unique epoxy were applied to a 13 mil DFT.

    Academic text (1997)
  • We can see the five mil brim, that's the starting point for the print head.

  • So let's go back by about two mil, which will give me one mil extra clearance on each side.

  • 600 mil width gives more space to route tracks out of the ends.

    Blog text (31)
  • The system is rated for 150 psig at temperatures up to 275 degrees F and has a 100-mil reinforced liner.

    Academic text (1996)
  • Kewaunee River basin, the interior of each reed bed was wrapped with a 30 mil geosynthetic liner anchored to the top of the containment walls.

    Academic text (1996)
  • Lined peat filters are built on-site and usually lined with 30 mil polyvinyl chloride (PVC).

    Academic text (2001)
  • Although the liner can be made from a number of materials, 30 mil polyvinyl chloride (PVC) is the most common and probably the most reliable liner material.

    Academic text (2001)
  • The plastic sheet is 4 mil thick, making it durable for outdoor use.

  • He measured the wire, which was 10 mil in thickness, to ensure it would support the load.

Surface Forms

mil singular
mils plural

Etymology

Mil meaning one thousandth of an inch uses the prefix milli- 'one thousandth', the same 'milli' you see in millimeter, so it names a tiny thickness measure (one 'thousandth' of an inch).