1. Optics. The unit of luminous flux, equal to the luminous flux emitted in a unit solid angle by a point source of one candle intensity.
2. Anatomy. The canal, duct, or cavity of a tubular organ.
3. Botany. (of a cell) The cavity that the cell walls enclose.
"My skin allows enough lumen for boxwoods to glow."
—Kristy Bowen, "entropy"
2. Anatomy. The canal, duct, or cavity of a tubular organ.
3. Botany. (of a cell) The cavity that the cell walls enclose.
"My skin allows enough lumen for boxwoods to glow."
—Kristy Bowen, "entropy"
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