diameter
pronunciation
How to pronounce diameter in British English:
UK [daɪˈæmɪtə(r)]
How to pronounce diameter in American English:
US [daɪˈæmɪtər]
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- Noun:
- the length of a straight line passing through the center of a circle and connecting two points on the circumference
- a straight line connecting the center of a circle with two points on its perimeter (or the center of a sphere with two points on its surface)
Word Origin
- diameter (n.)
- late 14c., from Old French diametre, from Latin diametrus, from Greek diametros (gramme) "diagonal of a circle," from dia- "across, through" (see dia-) + metron "a measure" (see meter (n.2)).
Antonym
Example
- 1. Barringer crater is 1.2km in diameter .
- 2. A few weeks later , larry bought 42 one-meter diameter weather balloons .
- 3. Altering the nozzle diameter precisely controls the rate at which cells are dispensed .
- 4. Drawing shows how liver tumors 2-3 cm in diameter are treated by six overlapping ablations .
- 5. Every year they try to bake a pancake of 3 meters in diameter .