- a unit of length equal to 0.001 of an inch (0.0254 mm), used in measuring the diameter of wires.
- a military unit of angular measurement equal to the angle subtended by 1/6400 of a circumference.
- (less accurately) the angle subtended by an arc equal to 1/1000 (0.001) of the radius or distance.
- (used formerly in pharmaceutical prescriptions) a milliliter.
- a former bronze coin of the mandate of Palestine, the 1/1000 part of a pound.
Origin of mil1
1715–25; short for Latin millēsimus thousandth, equivalent to mill(e) thousand (see mile) + -ēsimus ordinal suffix
- Slang. a million.
Origin of mil2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for mils
Four mils would be too little, and five mils would be too much.
We put them throug, we hav to carry them 19 mils and cum back the sam night wich maks 38 mils.The Underground Railroad
Let the members be assured that nine half-pence will be, for every practical purpose, 18 mils.
Just as it left the town, however, it was cheered and assisted by a guide-board, upon which was the legend "10 Mils to Hawkeye."The Gilded Age, Complete
Mark Twain and Charles Dudley Warner
And against the first target the accuracy observed was about .7 mils, in standard deviation.Warren Commission (3 of 26): Hearings Vol. III (of 15)
The President's Commission on the Assassination of President Kennedy
- a unit of length equal to one thousandth of an inch
- an obsolete pharmaceutical unit of volume equal to one millilitre
- a unit of angular measure, used in gunnery, equal to one sixty-four-hundredth of a circumference
C18: short for Latin millēsimus thousandth
- a US military department
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for mils
Online Etymology Dictionary, © 2010 Douglas Harper
- A unit of length in the US Customary System equal to 11000 of an inch (0.03 millimeter), used chiefly to measure the diameter of wires.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.