mil

M3I1L1
/mɪl/

noun

An angular mil, a unit of angular measurement equal to ¹⁄₆₄₀₀ of a complete circle. At 1000 metres one mil subtends about one metre (0.98 m). Also ¹⁄₆₀₀₀ and ¹⁄₆₃₀₀ are used in other countries.

“For this task, I prefer the plastic sheeting that is 10 mils thick.”

CommonScrabble 5

Meanings

mil1

nounmil (plural mils)

plural mils

  1. An angular mil, a unit of angular measurement equal to ¹⁄₆₄₀₀ of a complete circle. At 1000 metres one mil subtends about one metre (0.98 m). Also ¹⁄₆₀₀₀ and ¹⁄₆₃₀₀ are used in other countries.
  2. A unit of measurement equal to ¹⁄₁₀₀₀ of an inch (25.4 µm), usually used for thin objects, such as sheets of plastic.

    For this task, I prefer the plastic sheeting that is 10 mils thick.

    1 more example

    If made of plastic, is minimum of at least 2.25 mils (thousandths of an inch) thick.

    2013, “ORDINANCE NO. 2422”, in City of Davis, archived from the original on 01 Apr 2014, page 4

    Synonyms: thou

  3. A former subdivision (¹⁄₁₀₀₀) of the Maltese lira.
  4. abbreviationclippinginformalClipping of milliliter.

    We told her to give her daughter ten mils of cough syrup and to call us back if the cough gets worse.

    Synonyms: mL, ml, cm³, cc

  5. abbreviationclippinginformalClipping of millimeter.

    For this task, I prefer the plastic bars that are 10 mils in diameter.

    1 more example

    Party like it's 2024, hear a knocking at my door / It's the police let them in, bust a 9 mil through their skin

    2025, Gupi, “kutna hora”, performed by Food House

    Synonyms: mm, mike-mike

  6. abbreviationclippinginformalClipping of milliradian.

    A dot in a mil-dot reticle represents one mil, which corresponds to a few inches at 100 yards.

mil2

nounmil (plural mil)
  1. abbreviationclippinginformalClipping of million.

    Word has it that they were offered a cool ten mil to sell their farm to the land developers.

    2 more examples

    The cheapest shack in this part of the woods would probably set the buyer back at least a couple of mil.

    2009, Bob Frey, The DVD Murders, page 39

    You can get things done without money, but you can do a hell of a lot more with it, and $10 mil is a good starting point.

    2010 September, Galen Gondolfi, "Idea Fun(d)", St. Louis magazine, ISSN 1090-5723, volume 16, issue 9, page 79

mil3

adjectivemil (not comparable)
  1. abbreviationclippingnot comparableClipping of military

MIL4

proper noun
  1. abbreviationhobbiesAbbreviation of Milwaukee.
nounMIL (plural MILs)

plural MILs

  1. InternetabbreviationinitialismInitialism of mother-in-law.
  2. abbreviationinitialismautomotiveInitialism of malfunction indicator lamp.

Mil5

proper noun
  1. abbreviationclippinginformalClipping of Milwaukee: The largest city in Wisconsin and the county seat of Milwaukee County.

Synonyms & antonyms

nounA unit of measurement equal to ¹⁄₁₀₀₀ of an inch (25.4 µm), usually used for thin objects, such as sheets of plastic.

Similar

nounClipping of milliliter.

Similar
mLmlcm³cc

nounClipping of millimeter.

More synonyms by meaning

nouna Swedish unit of length equivalent to 10 km

Broader
linear unitlinear measure

nouna metric unit of volume equal to one thousandth of a liter

Broader
metric capacity unit

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

mil · noun

  1. Proto-Indo-European*sem-
  2. Proto-Indo-European*sm̥-
  3. Proto-Indo-European*smih₂
  4. Proto-Indo-European*ǵʰes-
  5. Proto-Indo-European*ǵʰéslom
  6. Proto-Indo-European*ǵʰéslih₂
  7. Proto-Indo-European*smih₂ǵʰéslih₂
  8. Proto-Italic*smīɣeslī
  9. Latinmīlle
  10. Latinmīllēsimus
  11. Latinmīllēsimum
  12. Englishmil

Ultimately from Latin millesimum. The clippings come by way of the clipped words (e.g., millilitre, millimetre, milliradian). The metric units come about via clipping of translingual milli- (“SI prefix”)

Full word history & related roots →

mil · noun

  1. Proto-Indo-European*sem-
  2. Proto-Indo-European*sm̥-
  3. Proto-Indo-European*smih₂
  4. Proto-Indo-European*ǵʰes-
  5. Proto-Indo-European*ǵʰéslom
  6. Proto-Indo-European*ǵʰéslih₂
  7. Proto-Indo-European*smih₂ǵʰéslih₂
  8. Proto-Italic*smīɣeslī
  9. Latinmīlle
  10. Italianmille
  11. Italianmilione
  12. Old Frenchmillion
  13. Middle Frenchmillion
  14. Middle Englishmilioun
  15. Englishmillionclip.
  16. Englishmil

Clipping of million.

Full word history & related roots →

Translations

Finnish piiru
  • piiruangular mil
French millième
  • millièmeangular mil
German Strich, artillerischer Strich
  • Strichangular mil
  • artillerischer Strichangular mil
Russian мил
  • мил (mil)angular mil

Rhymes & wordplay

Rhymes with mil

All rhymes →

Sounds the same

Anagrams

Cite this entry
APA

mil. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/mil

MLA

“mil.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mil. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “mil,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/mil.

Source: mil on Wiktionary, CC BY-SA 4.0.