LUMEN
\lˈuːmɛn], \lˈuːmɛn], \l_ˈuː_m_ɛ_n]\
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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.
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A unit of light flux, being the flux through one square meter of surface the illumination of which is uniform and of unit brightness.
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An opening, space, or cavity, esp. a tubular cavity; a vacuole.
By Oddity Software
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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.
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A unit of light flux, being the flux through one square meter of surface the illumination of which is uniform and of unit brightness.
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An opening, space, or cavity, esp. a tubular cavity; a vacuole.
By Noah Webster.
By Henderson, I. F.; Henderson, W. D.
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Light, Pupil -l. Constans, Phosphorus.
By Robley Dunglison
By Willam Alexander Newman Dorland
Word of the day
Platidiam
- An inorganic water-soluble platinum complex. After undergoing hydrolysis, it reacts DNA produce both intra interstrand crosslinks. These crosslinks appear to impair replication and transcription of DNA. The cytotoxicity cisplatin correlates with cellular arrest in G2 phase cell cycle.