mm

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mm

A ruler shows a measurement of exactly 10 mm.

Definition
  1. Noun:
    • A metric unit of length: "mm" is a written abbreviation for the millimetre, a unit of length in the metric system equal to one thousandth (1/1000) of a metre.
Usage
  • "mm" is used primarily in written contexts to denote measurements. It follows a numerical value.
  • It is a standard scientific and technical abbreviation.
Examples
  • Noun:
    • The gap must be no more than 5 mm wide.
    • A typical paperclip is about 30 mm in length.
    • Please specify the dimensions in mm.
Advanced Usage
  • In technical specifications: Used extensively in engineering, manufacturing, and science for precise measurements.
    • The tolerance for this component is ±0.1 mm.
  • In informal writing: Sometimes used without a space after the number.
    • The screen is 6.5mm thin.
Variants and Related Words
  • Millimetre (noun): The full spelling of the unit. (UK English)
  • Millimeter (noun): The full spelling of the unit. (US English)
  • cm: Abbreviation for centimetre (centimeter), equal to 10 mm.
  • m: Abbreviation for metre (meter), equal to 1000 mm.
Synonyms
  • Millimetre/Millimeter: The full form of the unit.
  • Thousandth of a metre: A descriptive synonym.
Notes
  • "mm" is an abbreviation, not an acronym. It is pronounced by saying the full word "millimetre" or "millimeter".
  • It is always written in lowercase.
mm

A ruler shows a measurement of exactly 10 mm.

Noun
  1. a metric unit of length equal to one thousandth of a meter

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