decimetre

Low
UK/ˈdɛsɪˌmiːtə/US/ˈdɛsəˌmiːtər/

Technical/Scientific

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Definition

Meaning

A metric unit of length equal to one-tenth of a metre.

Used as a specific measurement in scientific and technical contexts; the cubic decimetre is a common alternative name for the litre in volume measurement.

Linguistics

Semantic Notes

A unit in the metric system (SI). While precise, it is less common in everyday speech than centimetres or metres. The cubic decimetre (dm³) is formally equivalent to the litre.

Dialectal Variation

British vs American Usage

Differences

Spelling: British English uses 'decimetre', American English uses 'decimeter'.

Connotations

None; purely technical unit in both varieties.

Frequency

Equally low-frequency in both UK and US technical/scientific writing; centimetre and metre are vastly more common in general use.

Vocabulary

Collocations

strong
cubic decimetresquare decimetre
medium
decimetre lengthper decimetre
weak
small decimetreexact decimetre

Grammar

Valency Patterns

a/the [number] decimetre [noun]measure [something] in decimetres

Vocabulary

Synonyms

Strong

dm (abbreviation)one-tenth of a metre

Neutral

ten centimetres0.1 metres

Weak

short length

Vocabulary

Antonyms

decametrehectometrekilometre

Usage

Context Usage

Business

Virtually unused.

Academic

Used in scientific contexts, particularly chemistry and physics, for precise linear or volumetric measurements (e.g., dm³).

Everyday

Extremely rare; centimetre or metre are preferred.

Technical

Primary context of use, e.g., 'The aquarium has a volume of 50 cubic decimetres.'

Examples

By Part of Speech

adjective

British English

  • The decimetre ruler was used for the calibration.

American English

  • We need a decimeter-scale model for the experiment.

Examples

By CEFR Level

A2
  • A ruler can show one decimetre.
B1
  • The box is about two decimetres long.
B2
  • In the lab, we measured the solution in cubic decimetres.
C1
  • The precision of the component required tolerances within a few tenths of a decimetre.

Learning

Memory Aids

Mnemonic

Think of a DECImeter as a tenth (like DECImal) of a metre. A typical adult handspan from thumb to little finger is roughly one decimetre.

Conceptual Metaphor

MEASUREMENT IS DIVISION (Part of a whole standard unit).

Watch out

Common Pitfalls

Translation Traps (for Russian speakers)

  • Direct cognate 'дециметр' (detsimetr) exists and has identical meaning, so risk is low. The spelling difference (re/er) should be noted.

Common Mistakes

  • Misspelling as 'desimeter'.
  • Confusing with 'decametre' (10 metres).
  • Incorrectly capitalising as 'DeciMetre'.

Practice

Quiz

Fill in the gap
A cubic is equal to one litre in volume.
Multiple Choice

Which of the following is the American English spelling?

FAQ

Frequently Asked Questions

There are 10 centimetres in one decimetre.

No, it is a specialised term primarily used in scientific, engineering, or technical contexts. Centimetres and metres are far more common for everyday measurements.

The standard abbreviation is 'dm'.

They are equivalent. One cubic decimetre (dm³) is exactly equal to one litre (L).