mm
Definition
- 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.
Noun
- a metric unit of length equal to one thousandth of a meter
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