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Words related to lumen

lu·men
L l

  • arteriotomy

    the surgical cutting of an artery or a cut made in an artery

  • coarctation

    Pathology. a narrowing of the lumen of a blood vessel. a congenital anomaly of the heart in which there is a narrowing of the aorta, resulting in abnormal blood flow.

  • foot-candle

    a unit of illuminance or illumination, equivalent to the illumination produced by a source of one candle at a distance of one foot and equal to one lumen incident per square foot. Abbreviation: FC.

  • foot-lambert

    a unit of luminance or photometric brightness, equal to the luminance of a surface emitting a luminous flux of one lumen per square foot, the luminance of a perfectly reflecting surface receiving an illumination of one foot-candle. Abbreviation: fL.

  • lambert

    Constant [kon-stuh nt] /ˈkɒn stənt/ (Show IPA), 1905–51, English composer and conductor.

  • lumen-hour

    a unit of luminous energy, equal to that emitted in 1 hour by a light source emitting a luminous flux of 1 lumen. Abbreviation: lm-hr.
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