lumen
Kelime Anlamı :
1. anat.
2. lümen.
3. ışık birimi.
4. ışık ölçü birimi.
5. tüp şeklindeki organın içindeki boşluk.
6. (lumina). Tüp şeklinde organın içindeki boşluk.
7. lümen Açıklama: Selülozda ki sekonder duvarının üçüncü bölgesidir. İçi protoplazma sıvısı ile dolu olan kanalı çevreler.
8. bir tübün duvarları arasındaki boşluk.
Eş Anlamlı Kelimeler :
Tanımlar :
1.
anatomy the inner open space or cavity of a tubular organ, as of a blood vessel or an intestine.
2. physics the unit of luminous flux in the international system, equal to the amount of light given out through a solid angle by a source of one candela intensity radiating equally in all directions. see table at measurement.
3. botany the cavity bounded by a plant cell wall.
2. physics the unit of luminous flux in the international system, equal to the amount of light given out through a solid angle by a source of one candela intensity radiating equally in all directions. see table at measurement.
3. botany the cavity bounded by a plant cell wall.
from The American Heritage® Dictionary of the English Language, 4th Edition
1.
in the international system of units, the derived unit of luminous flux; the light that is emitted in a solid angle of one steradian from a source of one candela. symbol: lm.
2. the cavity or channel within a tube or tubular organ.
3. the cavity bounded by a plant cell wall.
4. the bore of a tube such as a hollow needle or catheter.
2. the cavity or channel within a tube or tubular organ.
3. the cavity bounded by a plant cell wall.
4. the bore of a tube such as a hollow needle or catheter.
from Wiktionary, Creative Commons Attribution/Share-Alike License
1.
2. A unit of illumination, being the amount of illumination of a unit area of spherical surface, due to a light of unit intensity placed at the center of the sphere.
3. A unit of light flux, being the flux through one square meter of surface the illumination of which is uniform and of unit brightness.
4. an opening, space, or cavity, esp. a tubular cavity; a vacuole.
2. A unit of illumination, being the amount of illumination of a unit area of spherical surface, due to a light of unit intensity placed at the center of the sphere.
3. A unit of light flux, being the flux through one square meter of surface the illumination of which is uniform and of unit brightness.
4. an opening, space, or cavity, esp. a tubular cavity; a vacuole.
from the GNU version of the Collaborative International Dictionary of English
1.
an opening or passageway, as, in anatomy, of a hollow tubular organ: as, the lumen of the intestine or of a blood-vessel.
2. in botany, the internal cavity, or space within the wall, of a cell.
3. the unit of flux of light; the flux of light in a beam subtending unit solid angle where the source has an intensity of one hefner. see illumination, 1, and light flux.
4. the hollow tube of an operating-needle or of a hypodermic syringe.
2. in botany, the internal cavity, or space within the wall, of a cell.
3. the unit of flux of light; the flux of light in a beam subtending unit solid angle where the source has an intensity of one hefner. see illumination, 1, and light flux.
4. the hollow tube of an operating-needle or of a hypodermic syringe.
from The Century Dictionary and Cyclopedia
1.
a cavity or passage in a tubular organ
2. a unit of luminous flux equal to the amount of light given out through a solid angle of 1 steradian by a point source of 1 candela intensity radiating uniformly in all directions
2. a unit of luminous flux equal to the amount of light given out through a solid angle of 1 steradian by a point source of 1 candela intensity radiating uniformly in all directions
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.