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Definition of «diameter»

The diameter of a circle is its distance across, measured through its center. It is the longest possible line that can be drawn on or within the shape without touching any sides. In other words, it's twice the radius (the distance from one point on the circumference to another). The diameter is usually denoted by the symbol "d" and has the same length as the radius in a perfect circle.

Usage examples

  1. The diameter of a circle is the distance from one point on the edge of the circle to another point on the opposite side, passing through the center.
  2. In geometry, the formula to calculate the diameter of a circle is to multiply the radius by 2.
  3. The diameter of a pizza determines its size. A 16-inch pizza has a larger diameter than a 12-inch pizza.
  4. Engineers measure the diameter of pipes to ensure they can handle the required flow of fluids.
  5. In astronomy, the diameter of planets and stars can be determined by measuring their apparent size in the sky.
  6. The diameter of a tree trunk is often measured to estimate its age and health.
  7. When constructing a bridge, engineers calculate the load capacity based on the diameter of the supporting pillars.

Phrases with «diameter»

Sentences with «diameter»

  • Grab your drill bits and find one that is a little larger in diameter of the screws that came with your new hardware. (thegoldensycamore.com)
  • The sports brake system is also new and features 360 mm diameter front and 320 mm rear ventilated steel discs with grey calipers. (mercedesblog.com)
  • The tires are about 1/2 — 1 inch larger diameter in all. (bringatrailer.com)
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See also

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