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nautical mile

nautical mile

11 4.4
A distance of exactly 1,852 meters used for measuring sea and air travel
  • noun
  • /ˈnɔːtɪkəl maɪl/
  • Specialized
translation icon : milla náutica
  • We took off from the coast 70 nautical miles away.
  • 200 nautical miles
  • three nautical miles
  • 12 nautical miles

Examples

  • Thirty nautical miles to Lake Ontario.

  • The plane would be capable of flying up to 1,300 nautical miles to reach its launch point.

    Blog text (1)
  • About 48 nautical miles south of Venice.

  • Fishing trips were usually less than 18 hours and occurred within 30 nautical miles of port.

    Academic text (1997)
  • She's got a range, under power, of about a thousand nautical miles.

  • We are 1500 nautical miles southwest of Los Angeles.

  • If you take a look at the map, you'll see it's only about 200 nautical miles from Namou.

  • Cruising sailors spent the least time in inland waters and the most time beyond the 3-nautical-mile territorial limit.

    Academic text (1998)
  • Fifty-seven tags were recovered at least 100 nautical miles away from the tagging sites.

    Academic text (1993)
  • We are 13 nautical miles off the coast of Long Island.

Synonyms

mile
vsnautical mile
  • Specialized
93 1.0

A measure of distance at sea equal to 1,852 meters used in navigation

is the precise modern navigation definition fixed at exactly 1,852 meters
mi
vsnautical mile
  • Specialized
2 8.1

A unit of distance used at sea equal to 1,852 meters

is the full navigation unit name rather than its short form
air mile
vsnautical mile
  • Specialized
1 3.2

A unit of distance used in flying that equals 1,852 meters

is the navigation unit used across contexts rather than only aviation
international nautical mile
vsnautical mile
  • Specialized
4.4

A unit of distance for ships and planes that equals 1,852 meters

is the same navigation unit described more generally not by origin
naut mi
vsnautical mile
  • Specialized
6.8

A unit for measuring distance at sea or in the air equal to about 1852 meters

is the complete unit name not the informal short form

How Long

league
  • Archaic
34 9.9
nautical mile
  • Specialized
11 4.4
cable length
  • Specialized
6.3
nautical chain
  • Archaic
7.5
fathom
  • Specialized
10 6.5

Surface Forms

nautical mile singular

Morphology

nautical + mile

The meaning 'a unit of length used in navigation' is directly derivable from combining 'nautical' (relating to ships/navigation) with 'mile' (a unit of distance); the compound simply specifies the type of mile used at sea. This compositional, descriptive pattern is common across languages and follows normal English modifier+noun compounding, so a B1 learner who knows both constituents will readily understand it.

Etymology

The term nautical mile comes from sailors who measured distance by the lines that go around the Earth, and one small part of those lines called a 'minute' was used as a handy sea measure. So a nautical mile means the distance used at sea and in the air, 'about 1,852 meters'.