# diameter

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## di·am·e·ter

(dī-ăm′ĭ-tər)*n.*

**1.**

*Abbr.*

**d**or

**diam.**

*Mathematics*

**a.**A straight line segment passing through the center of a figure, especially of a circle or sphere, and terminating at the periphery.

**b.**The length of such a segment.

**2.**Thickness or width.

**3.**A unit of magnification equal to the number of times an object's linear dimensions is increased by the magnifying apparatus.

[Middle English diametre, from Old French, from Latin diametrus, from Greek diametros (grammē),

*diagonal (line)*: dia-,*dia-*+ metron,*measure*; see mē- in Indo-European roots.]**di·am′e·tral**(-trəl)

*adj.*

## diameter

(daɪˈæmɪtə)*n*

**1.**(Mathematics)

**a.**a straight line connecting the centre of a geometric figure, esp a circle or sphere, with two points on the perimeter or surface

**b.**the length of such a line

**2.**the thickness of something, esp with circular cross section

[C14: from Medieval Latin

*diametrus,*variant of Latin*diametros,*from Greek: diameter, diagonal, from dia- +*metron*measure]## di•am•e•ter

(daɪˈæm ɪ tər)*n.*

**1.**

**a.**a straight line passing through the center of a circle or sphere and meeting the circumference or surface at each end.

**b.**a straight line passing from side to side of any figure or body, through its center.

**2.**the length of such a line.

**3.**the width of a circular or cylindrical object.

[1350–1400; Middle English

*diametre*< Old French < Latin*diametros*< Greek*diámetros*diagonal, diameter =*dia-*dia- +*-metros,*derivative of*métron*meter^{1}]**di•am′e•tral,**

*adj.*

## di·am·e·ter

(dī-ăm′ĭ-tər)**1.**A straight line segment that passes through the center of a circle or sphere from one side to the other.

**2.**The length of such a line segment.

## diameter

- From Greek, meaning "measure through" (a circle or sphere, etc.).See also related terms for sphere.

ThesaurusAntonymsRelated WordsSynonyms

**Legend:**Switch to new thesaurus

Noun | 1. | diameter - the length of a straight line passing through the center of a circle and connecting two points on the circumferencewindage - the space between the projectile of a smoothbore gun and the surface of the bore of the gun length - the linear extent in space from one end to the other; the longest dimension of something that is fixed in place; "the length of the table was 5 feet" |

2. | diameter - 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)straight line - a line traced by a point traveling in a constant direction; a line of zero curvature; "the shortest distance between two points is a straight line" |

## diameter

Translations

**průměr**

**diameter**

**halkaisija**

**läpimitta**

**promjer**

**átmérő**

**òvermál**

**直径**

**직경**

**diametras**

**diametrs**

**premer**

**diameter**

**เส้นผ่าศูนย์กลาง**

**đường kính**

## diameter

*n*→ Durchmesser

*m*; to be one foot in

**diameter**→ einen Durchmesser von einem Fuß haben; what’s its

**diameter**? → welchen Durchmesser hat es?, wie groß ist es im Durchmesser?

## diameter

(daiˈӕmitə)*noun*

(the length of) a straight line drawn from side to side of a circle, passing through its centre. Could you measure the diameter of that circle?

## diameter

→ قُطْر průměr diameter Durchmesser διάμετρος diámetro halkaisija diamètre promjer diametro 直径 직경 diameter diameter średnica diâmetro диаметр diameter เส้นผ่าศูนย์กลาง çap đường kính 直径## di·am·e·ter

*n.*diámetro.

## diameter

*n*diámetro

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