How do you abbreviate Diameter? There are two common ways to abbreviate diameter.
They are,
- dia.
- diam.
For example,
- Tire dia.
- Diam. 4”
The plural abbreviation of diameter is dias. or diams,
When to Use This Abbreviation
You might abbreviate the word diameter to dias. or diam. on an engineering spec sheet, in mathematics, on mechanical drawings, in architecture, or in shorthand note taking.
It is also common to see such abbreviations in headlines or newspaper titles where space is of concern.
Outside of mathematics, engineering, short hand, or headlines, the word is not abbreviated in general prose.
What Does Diameter Mean?
Definition of Diameter: Diameter is defined as a straight line passing from side to side through the center of a body or figure, especially a circle or sphere; a unit of linear measurement of magnifying power.
For example,
- The specifications call for a six inch in diameter steel pipe.
- Calculating a circle’s diameter is easy if you know any of the other dimensions of the circle: the radius, the circumference, or the area.
The word diameter functions as a noun in the above sentences.
Outside Examples of Diameter
The star cluster M38 lies near the center of Auriga. It is 4,200 light years away from us and is about 25 light years in diameter. –The Star Ledger- Ride and handling upgrades come courtesy of the stiff new vehicle architecture, significant use of aluminum in the suspension components to reduce unsprung weight, active stabilizer bars, and wheels sized either 19 inches or 20 inches in diameter. –New York Daily News
Summary: Diameter Abbreviation
There are two common abbreviations of diameter: dia. and diam. If you want to make either of these plural, simply add on an “s.”
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