millimetre

/'mili,mi:tə/

Thân thiện

A student measures a line with a ruler marked in millimetres.

Definition

1. Noun:
   • A metric unit of length: A "millimetre" is a unit of measurement in the metric system, equal to one thousandth (1/1000) of a metre. It is a very small unit used for precise measurements.

Usage Examples

• Noun:
  • The gap must be less than two millimetres wide.
  • This sheet of paper is about 0.1 millimetres thick.
  • The tumour was only a few millimetres in diameter.

Advanced Usage

• Scientific and Technical Contexts: The millimetre is commonly used in engineering, manufacturing, medicine, and science for high-precision measurements.
  • The tolerance for this component is plus or minus 0.05 millimetres.
• With Decimal Fractions: It is often expressed with decimal points for greater precision.
  • The rainfall was 12.7 millimetres.

Variants and Related Words

• Millimeter (noun): The American English spelling of "millimetre".
• Millimetre-wave (adj): A compound term referring to a specific band of radio frequency, e.g., .
• Cubic millimetre (noun): A unit of volume, equal to a cube with sides of one millimetre.

Synonyms

• mm: The standard abbreviation for millimetre.
• Thousandth of a metre: A descriptive synonym.

Related Phrases

• Square millimetre (noun): A unit of area, equal to a square with sides of one millimetre (abbreviated as mm²).
• Millimetre of mercury (noun): A unit of pressure (abbreviated as mmHg), often used in medicine to measure blood pressure.

Học thuật

Noun

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

Từ đồng nghĩa

• millimeter
• mm