| 单词 | scintillate |
| 释义 | scintillate /sin"tl ayt'/, v. , scintillated, scintillating. v.i. 1. to emit sparks. 2. to sparkle; flash: a mind that scintillates with brilliance. 3. to twinkle, as the stars. 4. Electronics. (of a spot of light or image on a radar display) to shift rapidly around a mean position. 5. Physics. a. (of the amplitude, phase, or polarization of an electromagnetic wave) to fluctuate in a random manner. b. (of an energetic photon or particle) to produce a flash of light in a phosphor by striking it. v.t. 6. to emit as sparks; flash forth. [1615-25; < L scintillatus (ptp. of scintillare to send out sparks, flash). See SCINTILLA, -ATE1] |
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