English-Thai Dictionary

diameter

N เส้นผ่าศูนย์กลาง  เส้นผ่านศูนย์กลาง ของ วงกลม  equator diameter sen-par-soon-klang

 

Webster's 1828 Dictionary

DIAMETER

n.[Gr. , measure through. ] 1. A right line passing through the center of a circle or other curvilinear figure, terminated by the circumference, and dividing the figure into two equal parts.
2. A right line passing through the center of a piece of timber, a rock or other object, from one side to the other; as the diameter of a tree, or of a stone.

 

Webster's 1913 Dictionary

DIAMETER

Di *am "e *ter, n. Etym: [F. diamètre, L. diametros, fr. Gr. Meter. ]

 

1. (Geom.) (a ) Any right line passing through the center of a figure or body, as a circle, conic section, sphere, cube, etc. , and terminated by the opposite boundaries; a straight line which bisects a system of parallel chords drawn in a curve. (b ) A diametral plane.

 

2. The length of a straight line through the center of an object from side to side; width; thickness; as, the diameter of a tree or rock.

 

Note: In an elongated object the diameter is usually taken at right angles to the longer axis.

 

3. (Arch. )

 

Defn: The distance through the lower part of the shaft of a column, used as a standard measure for all parts of the order. See Module. Conjugate diameters. See under Conjugate.

 

New American Oxford Dictionary

diameter

di am e ter |dīˈamitər daɪˈæmədər |(abbr.: diam. ) ▶noun 1 a straight line passing from side to side through the center of a body or figure, esp. a circle or sphere. • the length of this line. • a transverse measurement of something; width or thickness. 2 a unit of linear measurement of magnifying power. DERIVATIVES di am e tral |-trəl |adjective ORIGIN late Middle English: from Old French diametre, via Latin from Greek diametros (grammē )‘(line ) measuring across, ’ from dia ‘across ’ + metron ‘measure. ’

 

Oxford Dictionary

diameter

diameter |dʌɪˈamɪtə | ▶noun 1 a straight line passing from side to side through the centre of a body or figure, especially a circle or sphere. • a transverse measurement of something; width or thickness. 2 a unit of linear measurement of magnifying power. DERIVATIVES diametral adjective ORIGIN late Middle English: from Old French diametre, via Latin from Greek diametros (grammē ) ‘(line ) measuring across ’, from dia ‘across ’ + metron ‘measure ’.

 

American Oxford Thesaurus

diameter

diameter noun the diameter of the hole is less than two inches: breadth, width, thickness; caliber, bore, gauge.

 

Oxford Thesaurus

diameter

diameter noun the mill wheel is eight feet in diameter | the pipe has a diameter of 14mm: breadth, width, depth, thickness; calibre, bore, gauge; size, extent.

 

Duden Dictionary

Diameter

Dia me ter Substantiv, maskulin Geometrie , der |Diam e ter |lateinisch diametros < griechisch diámetros, zu: diá = durch und métron, Meter Durchmesser eines Kreises oder einer Kugel

 

Sanseido Wisdom Dictionary

diameter

di am e ter /daɪǽmɪtə r / (! 強勢は第2音節 ) 〖dia (通して ) meter (測ること )〗名詞 複 ～s /-z /C 1 直径 , 差し渡し (→radius )▸ a tree with a diameter of 30 cm 直径30センチの木 ▸ The telescope is 1m in diameter .その望遠鏡は直径1メートルある 2 〘光学 〙…倍 (率 ) 〘拡大を表す単位 〙.