diam

Thân thiện

The teacher draws a diam on the chalkboard.

Definition

1. Noun:
   • The length of a straight line passing through the center of a circle and connecting two points on the circumference: This is the standard geometric definition for the distance across a circle through its center point.

Usage

• The word "diam" is a standard abbreviation for the full word "diameter." It is primarily used in technical, mathematical, engineering, and scientific contexts where space is limited or as a shorthand in notes, diagrams, and informal communication. It is not typically used in formal prose.

Examples

• Noun:
  • The spec sheet lists the pipe's internal diam as 2 inches. (The specification sheet lists the pipe's internal diameter as 2 inches.)
  • Calculate the circle's area using its diam. (Calculate the circle's area using its diameter.)
  • Please measure the diam of the wheel. (Please measure the diameter of the wheel.)

Advanced Usage

• "diam.": The word is very frequently written with a period ("diam.") to explicitly mark it as an abbreviation.
  • The bolt has a diam. of 10 mm. (The bolt has a diameter of 10 mm.)

Variants and Related Words

• Diameter (n): The full, formal word from which "diam" is derived. It has the same definition.
• Radius (n): Half of a diameter; the distance from the center of a circle to its circumference.
• Circumference (n): The distance around a circle.

Synonyms

• Width (when referring to the measurement across a circular object).
• Breadth (similar to width, for the measurement across).

Related Phrases

• Inside Diameter (ID) / Outside Diameter (OD): Common technical terms often abbreviated as "ID" and "OD," where "diameter" might be implied or shortened to "diam."
  • The OD is 50 mm, and the ID is 45 mm. (The outside diameter is 50 mm, and the inside diameter is 45 mm.)

Học thuật

Noun

1. the length of a straight line passing through the center of a circle and connecting two points on the circumference

Từ đồng nghĩa

• diameter