26 ผลลัพธ์ สำหรับ 

radian

 ลองค้นหาคำในรูปแบบอื่น: -radian-, *radian*
  NECTEC Lexitron Dictionary EN-TH 
  ศัพท์บัญญัติราชบัณฑิตยสถาน 
เรเดียน [คณิตศาสตร์๑๙ ก.ค. ๒๕๔๗]
  คลังศัพท์ไทย (สวทช.) 
เรเดียน, หน่วยวัดมุม 1 เรเดียน หมายถึงมุมที่ศูนย์กลางของวงกลมซึ่งรองรับส่วนโค้งของวงกลมที่มีความยาวเท่ากับรัศมีของวงกลมนั้น [พจนานุกรมศัพท์ สสวท.]
  NECTEC Lexitron-2 Dictionary (TH-EN) 
(n) radianThai Definition:มุมที่จุดศูนย์กลางของวงกกลม ซึ่งกว้างเท่ากับรัศมีNotes:(อังกฤษ)
  ตัวอย่างประโยคจาก Tanaka JP-EN Corpus 
  WordNet (3.0) 
(n) the unit of plane angle adopted under the Systeme International d'Unites; equal to the angle at the center of a circle subtended by an arc equal in length to the radius (approximately 57.295 degrees)Syn. rad
(n) the amount of electromagnetic radiation leaving or arriving at a point on a surfaceSyn. glowing, glow
(n) the quality of being bright and sending out rays of lightSyn. refulgency, effulgence, refulgence, shine, radiancy
(n) an attractive combination of good health and happinessExample:the radiance of her countenance
(n) energy that is transmitted in the form of (electromagnetic) radiation; energy that exists in the absence of matter
(n) the rate of flow of radiant energy (electromagnetic waves)
(n) heating a building by radiation from panels containing hot water or electrical heaters
(adv) in a radiant mannerExample:the bride smiled radiantly
  Collaborative International Dictionary (GCIDE) 

n. [ From Radius. ] (Math.) An arc of a circle which is equal to the radius, or the angle measured by such an arc. [ 1913 Webster ]

{ } n. The quality of being radiant; brilliancy; effulgence; vivid brightness; as, the radiance of the sun. [ 1913 Webster ]

Girt with omnipotence, with radiance crowned. Milton. [ 1913 Webster ]

What radiancy of glory,
What light beyond compare ! Neale. [ 1913 Webster ]

Syn. -- Luster; brilliancy; splendor; glare; glitter. [ 1913 Webster ]

a. [ L. radians, -antis, p. pr. of radiare to emit rays or beams, fr. radius ray: cf. F. radiant. See Radius, Ray a divergent line. ] 1. Emitting or proceeding as from a center; resembling rays; radiating; radiate. [ 1913 Webster ]

2. Especially, emitting or darting rays of light or heat; issuing in beams or rays; beaming with brightness; emitting a vivid light or splendor; as, the radiant sun. [ 1913 Webster ]

Mark what radiant state she spreads. Milton. [ 1913 Webster ]

3. Beaming with vivacity and happiness; as, a radiant face. [ 1913 Webster ]

4. (Her.) Giving off rays; -- said of a bearing; as, the sun radiant; a crown radiant. [ 1913 Webster ]

5. (Bot.) Having a raylike appearance, as the large marginal flowers of certain umbelliferous plants; -- said also of the cluster which has such marginal flowers. [ 1913 Webster ]

6. (Physics) Emitted or transmitted by radiation; as, a radiant energy; radiant heat. [ Webster 1913 Suppl. ]


Radiant energy (Physics), energy given out or transmitted by radiation, as in the case of light and radiant heat. --
Radiant heat, heat proceeding in right lines, or directly from the heated body, after the manner of light, in distinction from heat conducted or carried by intervening media. --
Radiant point. (Astron.) See Radiant, n., 3.
[ 1913 Webster ]

n. 1. (Opt.) The luminous point or object from which light emanates; also, a body radiating light brightly. [ 1913 Webster ]

2. (Geom.) A straight line proceeding from a given point, or fixed pole, about which it is conceived to revolve. [ 1913 Webster ]

3. (Astron.) The point in the heavens at which the apparent paths of shooting stars meet, when traced backward, or whence they appear to radiate. [ 1913 Webster ]

. (Mach.) A semiradial engine. See Radial engine, above. [ Webster 1913 Suppl. ]

adv. In a radiant manner; with glittering splendor. [ 1913 Webster ]

  CC-CEDICT CN-EN Dictionary 
[ , hú dùㄏㄨˊ ㄉㄨˋradian #26573
  DING DE-EN Dictionary 
Bogenmaß { m }
radian measure
Kreisfrequenz { f }; Winkelgeschwindigkeit { f }
radian frequency; angular frequency; angular velocity
Radiant { m } [ math. ]; Winkel im Bogenmaß | Radiant pro Sekunde
radian | radian per second
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