millimeter

Thân thiện

A ruler shows a small distance of one millimeter.

Definition

1. Noun:
   • A metric unit of length: A "millimeter" is a unit of measurement in the metric system. It is equal to one thousandth (1/1000) of a meter.

Usage

• The word "millimeter" is used to express very small distances, lengths, or dimensions. It is commonly abbreviated as mm.
• It is used in scientific, engineering, manufacturing, and everyday contexts where precise, small-scale measurement is required.

Examples

• Noun:
  • The gap must be less than two millimeters wide.
  • This sheet of paper is about 0.1 millimeters thick.
  • The tumor measured 15 millimeters in diameter.

Advanced Usage

• "To the millimeter": With extreme precision.
  • The parts were machined to the millimeter for a perfect fit.
• Used in compound prepositions: "within millimeters of" meaning extremely close to.
  • The car stopped within millimeters of the wall.

Variants and Related Words

• Millimetre (noun): The British English spelling of "millimeter".
• Millimetric (adj): Relating to or measured in millimeters.
  • The device requires millimetric accuracy.
• Cubic millimeter (noun): A unit of volume equal to a cube measuring one millimeter on each side.

Synonyms

• Thousandth of a meter: The literal definition.
• 0.001 m: The decimal and symbolic representation.

Notes

• The metric system is decimal-based. Common prefixes include:
  • milli- = one thousandth (10⁻³)
  • centi- = one hundredth (10⁻²)
  • kilo- = one thousand (10³)
• Therefore, 1,000 millimeters (mm) = 1 meter (m), and 10 millimeters = 1 centimeter (cm).

Học thuật

Noun

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

Từ đồng nghĩa

• millimetre
• mm