visible light

  • 61light — I. /laɪt / (say luyt) noun 1. that which makes things visible, or affords illumination: all colours depend on light. 2. Physics a. Also, luminous energy, radiant energy. electromagnetic radiation to which the organs of sight react, ranging in… …

  • 62light — 1. n., v., & adj. n. 1 the natural agent (electromagnetic radiation of wavelength between about 390 and 740 mm) that stimulates sight and makes things visible. 2 the medium or condition of the space in which this is present. 3 an appearance of… …

    Useful english dictionary

  • 63Light — 1. n., v., & adj. n. 1 the natural agent (electromagnetic radiation of wavelength between about 390 and 740 mm) that stimulates sight and makes things visible. 2 the medium or condition of the space in which this is present. 3 an appearance of… …

    Useful english dictionary

  • 64Light Amplification by Stimulated Emission of Radiation — Laser Pour les articles homonymes, voir Laser (homonymie). Rayon laser à travers un dispositif optique …

    Wikipédia en Français

  • 65Light Emitting Diode — Diode électroluminescente Pour les articles homonymes, voir DEL et LED. Une diode électroluminescente, abrégée sous les sigles DEL ou, plus couramment, LED (pour light emitting diode) est un composant électronique capable d’émettre de la lumière… …

    Wikipédia en Français

  • 66visible — adj. VERBS ▪ be ▪ become ▪ remain, stay ▪ The scars remained visible all her life. ▪ leave sth …

    Collocations dictionary

  • 67visible spectrum — noun the distribution of colors produced when light is dispersed by a prism • Syn: ↑color spectrum • Hypernyms: ↑spectrum • Part Holonyms: ↑electromagnetic spectrum * * * noun : the …

    Useful english dictionary

  • 68light — That portion of electromagnetic radiation (between 390 and 770 nm) to which the retina is sensitive (wavelength range of 380–780 nm). SEE ALSO: lamp. [A.S. leoht] cold l. 1. SYN: bioluminescence (1). 2. fluorescent l. as opposed to incandescent l …

    Medical dictionary

  • 69Light rail — For specific light rail systems, many of which use the words light rail as part of their name, see List of tram and light rail transit systems. Edmonton Light Rail Transit in Edmonton, Alberta, Canada …

    Wikipedia

  • 70light — I. noun Etymology: Middle English, from Old English lēoht; akin to Old High German lioht light, Latin luc , lux light, lucēre to shine, Greek leukos white Date: before 12th century 1. a. something that makes vision possible b. the sensation… …

    New Collegiate Dictionary