Definition Synonyms
Definition of diameter - Reverso English Dictionary
Noun
1.
measurementthickness of circular object
- The pipe has a diameter of 2 inches.
2.
mathematicsTECH. length of line through centerTECH.
- Measure the diameter to find the circle's size.
3.
firearmsTECH. unit of measurement in firearms for the boreTECH.
- The rifle has a diameter of .30 inches.
4.
graph theoryTECH. maximum eccentricity in a graphTECH.
- The graph's diameter is 3.
Images of diameter

length of line through center
Expressions with diameter
💡 Discover popular phrases, idioms, collocations, or phrasal verbs. Click any expression to learn more, listen to its pronunciation, or save it to your favorites.
the diameter of the inner surface of a hollow object
The inside diameter of the pipe determines how much fluid can flow through it.
distance across the inside of a circular or cylindrical object
The internal diameter of the pipe determines how much fluid can flow through.
distance across the outside of a round or hollow object
Check the pipe’s outside diameter before ordering the connector.
distance across the bottom surface or reference circle of an object
The base diameter of the cylinder must match the size of the stand.
diameter of the inside of a circular object
The inner diameter of the pipe is 5 cm.
largest diameter of circular or cylindrical objects
The major diameter of the screw is 5 mm.
diameter value that divides a measured group equally into two halves
The soil sample showed a median diameter of only a few micrometers.
innermost diameter of a cylindrical or circular feature
The screw's minor diameter is crucial for its fit.
diameter of the circle where gear teeth mesh
The gear's pitch circle diameter is crucial for proper meshing.
diameter of an imaginary cylinder in gears or threads
The pitch diameter is crucial for gear alignment.
Origin of diameter
Greek, dia (across) + metron (measure)
Terms with diameter included in their meaning
💡 A powerful way to uncover related words, idioms, and expressions linked by the same idea — and explore meaning beyond exact word matches.
firearms
internal diameter or bore of a gun barrel
firearms
internal diameter of a gun barrel
enlarging
increase the diameter of a hole
narrow
decrease in diameter
geology
particle from 2 to 64 mm in diameter
acr: inside diameter
distance across the inside of a circle or tube
geology
particle greater than 256 mm in diameter
physics
tube with a very small internal diameter
geology
particle 4 to 64 mm in diameter
photography
ratio of the focal length to the diameter of a lens aperture
tools
tool for measuring wire diameter or thickness
gun measurement
diameter of a gun barrel
cylindrical object
diameter of a cylindrical object
acr: outer diameter
distance across the outside of a circle
photography
ratio of focal length to lens diameter
elongated shape
having the polar diameter greater than the equatorial diameter
medical
tube with small diameter for capillary action
structure
having small-diameter cells in structure
mathematics
on exactly the opposite side of a diameter
abr: .22-caliber
having a bullet diameter of .22 inches
abr: .38-caliber
gun or bullet size with a diameter of 0.38 inches
weapon
shotgun with a bore diameter for 12 lead balls per pound
mathematics
opposition along a diameter or axis
acr: Bolt Circle Diameter
distance across a circle through bolt holes
Examples of diameter in a sentence
We need to calculate the diameter of the circle. The diameter of the pipe needs to be measured accurately. A larger diameter allows more water to flow through. The shotgun's diameter was measured precisely. They discussed the diameter specifications of the new firearm. Calculating the diameter of the network was challenging.
The diameter determines the graph's efficiency.
View all translations of diameter
Click below to see the appropriate translations facing each meaning.
- French:diamètre, rayon, ...
- German:Durchmesser, Kaliber, ...
- Italian:diametro, calibro, ...
- Spanish:diámetro, calibre, ...
- Portuguese:diâmetro, ...
- Chinese:直径, 直线长度, ...
- Japanese:直径, ダイアメーター, ...
- Arabic:قُطْر, قَطْر السِبْطانَة, ...
- Hebrew:קוֹטֶר, קָלִיבֶּר, ...
- Russian:диаметр, ширина, ...
- Ukrainian:діаметр, калібр, ...
- Hindi:व्यास, डायमीटर, ...

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