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admiralty mile

Very Low
UK/ˈæd.mə.rəl.ti ˌmaɪl/US/ˈæd.mɚ.əl.ti ˌmaɪl/

Technical / Historical

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Definition

Meaning

A nautical mile, specifically the UK measurement of 1,853.184 metres (6,080 feet), historically used by the British Admiralty.

A historical unit of distance at sea, primarily used in British maritime navigation and charts. It is now largely superseded by the International Nautical Mile.

Linguistics

Semantic Notes

The term is archaic and specific to British naval history. It refers to a precise, official measurement, not a general term for a nautical mile in contemporary use.

Dialectal Variation

British vs American Usage

Differences

The term is historically British. American maritime usage would have been 'nautical mile' or 'sea mile' even historically.

Connotations

British: historical, official, related to naval authority. American: largely unknown or perceived as a British historical term.

Frequency

Extremely rare in modern British English, found only in historical texts, old charts, or technical discussions of metrology. Virtually never used in American English.

Vocabulary

Collocations

strong
Britishhistoricalofficialmeasurementcharts
medium
nauticalmaritimenavigationunit
weak
seadistancecalculatemeasure

Grammar

Valency Patterns

[Measurement] was X admiralty milesThe distance was given in admiralty miles

Vocabulary

Synonyms

Strong

UK nautical mileBritish nautical mile

Neutral

nautical mile

Weak

sea mile

Vocabulary

Antonyms

land milestatute milekilometre

Usage

Context Usage

Business

Not used.

Academic

Used only in historical or metrological papers on measurement systems.

Everyday

Not used.

Technical

Used in historical navigation contexts, or when discussing the evolution of the nautical mile.

Examples

By Part of Speech

adjective

British English

  • The admiralty-mile measurement was used on the 19th-century chart.

Examples

By CEFR Level

A2
  • A ship can travel many miles on the sea.
B1
  • Sailors used to measure distance at sea in nautical miles.
B2
  • The old British chart indicated the harbour was five admiralty miles from the lighthouse.

Learning

Memory Aids

Mnemonic

Think of the ADMIRAL (admiralty) measuring the sea with his special MILE.

Conceptual Metaphor

AUTHORITY AS MEASURE (The Admiralty's rule defines the standard).

Watch out

Common Pitfalls

Translation Traps (for Russian speakers)

  • Do not confuse with 'морская миля' (sea mile) in modern usage, which is the international standard. The 'admiralty mile' is a specific historical variant.
  • The word 'admiralty' does not refer to an admiral's personal mile, but to the official British naval department.

Common Mistakes

  • Using it to refer to any nautical mile.
  • Using it in modern, non-historical contexts.
  • Spelling it as 'admirality mile'.
  • Assuming it is still an official unit.

Practice

Quiz

Fill in the gap
The 19th-century British naval chart measured distances in , not the modern international nautical mile.
Multiple Choice

What is an 'admiralty mile'?

FAQ

Frequently Asked Questions

Almost, but not exactly. The admiralty mile was the UK's specific measurement of 6,080 feet. The international nautical mile is now defined as exactly 1,852 metres.

Only in a historical context, such as when discussing old British maritime charts, navigation history, or the evolution of measurement systems.

No. Modern navigation uses the International Nautical Mile. 'Admiralty mile' is an archaic term.

It's named after the British Admiralty, the historical government department responsible for command of the Royal Navy, which officially defined and used this measurement.