se·nes·cence

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• ca|nes|cence — «kuh NEHS uhns», noun. hoariness; dull whiteness: »All colour melts away with the canescence from above. The sky is of a dead milkwhite (R. Burton) …   Useful english dictionary

• se|nes|cence — «suh NEHS uhns», noun. the fact or condition of growing old: »Senescence begins, and middle age ends, the day your descendants outnumber your friends (New Yorker) …   Useful english dictionary

• spi|nes|cence — «spy NEHS ehns», noun. the condition of being spinescent …   Useful english dictionary

• bi|o|lu|mi|nes|cence — «BY oh LOO muh NEHS uhns», noun. phosphorescence or other emission of light by living organisms, such as fireflies and jellyfish …   Useful english dictionary

• ca|thod|o|lu|mi|nes|cence — «kuh THOD uh LOO muh NEHS uhns», noun. a phosphorescent or fluorescent glow excited by the action of cathode rays …   Useful english dictionary

• chem|i|lu|mi|nes|cence — «KEHM uh LOO muh NEHS uhns», noun. the production of light during a chemical reaction, without a rise in temperature …   Useful english dictionary

• crys|tal|lo|lu|mi|nes|cence — «KRIHS tuh loh LOO muh NEHS uhns», noun. the production of light, without a rise in temperature, occurring when a solution crystallizes …   Useful english dictionary

• e|lec|tro|lu|mi|nes|cence — «ih LEHK troh LOO muh NEHS uhns», noun. light produced without heat by passing an alternating current through a phosphorescent substance: »For example, electroluminescence…has already made possible decorative effects through lighted panels… …   Useful english dictionary

• ev|a|nes|cence — «EHV uh NEHS uhns», noun. 1. a gradual disappearance; fading away; vanishing: »The gradual evanescence of dogmatic teaching (W. E. H. Lecky). 2. a tendency to disappear or fade away; inability to last long: »This evanescence and lubricity of all… …   Useful english dictionary

• ju|ve|nes|cence — «JOO vuh NEHS uhns», noun. a renewal of youth; youthfulness …   Useful english dictionary

• lu|mi|nes|cence — «LOO muh NEHS uhns», noun. an emission of light occurring at a temperature below that of incandescent bodies. Luminescence includes phosphorescence and fluorescence, and may result from biological or chemical processes. »The intensity of the… …   Useful english dictionary