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n. pl. lu·mens or lu·mi·na (-mə-nə)
1. Anatomy The inner open space or cavity of a tubular organ, as of a blood vessel or an intestine.
2. Biology The interior of a membrane-bound compartment or organelle in a cell.
3. Abbr. lm Physics The SI unit of luminous flux, equal to the amount of light per unit time passing through a solid angle of one steradian from a light source of one candela intensity radiating equally in all directions. See Table at measurement.
lu′men·al, lu′min·al adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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|Noun||1.||Luminal - a long-acting barbiturate used as a sedative|
barbiturate - organic compound having powerful soporific effect; overdose can be fatal
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
a. luminal, rel. a la luz de un conducto.
English-Spanish Medical Dictionary © Farlex 2012