Meaning & Definition of word "Millimeter"
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Millimeter
/ˈmɪlɪˌmiːtər/
noun:
- 1. A unit of length in the metric system equal to one-thousandth of a meter.
- Example: The thickness of a credit card is about 0.76 millimeters.
- 2. A unit commonly used in various fields such as engineering, construction, and medicine for precision measurements.
- Example: The doctor measured the wound size in millimeters to assess the treatment needed.
- 3. Used in fine detail specifications in scientific contexts.
- Example: The diagram specified the dimensions in millimeters for accuracy.
- 4. Also used for measuring rainfall, where one millimeter corresponds to one liter of water falling on a square meter.
- Example: The weather report indicated that we received 20 millimeters of rain last night.
- 5. A metric measurement often used in photography to describe focal lengths.
- Example: The camera lens has a focal length of 50 millimeters, providing a standard perspective.
Etymology
From the French 'millimètre', combining 'milli-' meaning 'one thousandth' and 'mètre' meaning 'meter'.
Common Phrases and Expressions
millimeter wave:
A band of electromagnetic waves with wavelengths ranging from 1 millimeter to 10 millimeters.
millimeter scale:
A scale marked in millimeters, commonly used in measuring devices.
Related Words
centimeter:
A unit of length equal to one hundredth of a meter.
meter:
The base unit of length in the International System of Units (SI), equal to 1000 millimeters.
Slang Meanings of millimeter
Meaning: Often abbreviated as 'mm' in informal contexts.
Example Sentence: The recipe calls for 5 mm of salt, but I just eye-balled it.