Word: Millimetre

Pronunciation

/ˈmɪlɪmeɪtər/

Definitions

• Noun: A unit of length in the International System of Units (SI), equal to one thousandth of a meter. It’s commonly used to measure very small distances or thicknesses. For instance: “The ruler has markings in millimetres for precision measurements.”

Example Sentence: “The diameter of this wire is precisely 2 millimetres.”

Phrases

• “In millimetres” is often used when specifying a measurement in that particular unit. E.g., “The dimensions of the box are 10 by 15 centimetres by 20 millimetres.”
• “To the nearest millimetre” implies measuring with high accuracy. E.g., “The tailor measured my inseam to the nearest millimetre.”

Example Sentences

• Noun: “The margin of error was only two millimetres.”
• “The surgical incision was made with millimetre precision.”

Synonyms

• mm (abbreviation)
• thou (informal British English for a thousandth of an inch, which is slightly smaller than a millimetre)
• micron (a scientific term equivalent to one millionth of a metre, which is much smaller than a millimetre)

Note: While there isn’t a direct synonym for “millimetre” as it’s a specific unit of measurement, terms like “tiny increment”, “small distance”, or “precise measurement” might be used contextually to describe something measured in millimetres.