1. 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
   - lumen

Derived forms: lms

Type of: luminous flux unit

Encyclopedia: Lm

• Richmond
• Richmondena
• Richmondena Cardinalis
• richness
• Richter scale
• richweed
• ricin
• ricin toxin
• ricinoleic acid
• Ricinus
• Ricinus communis
• rick
• Rickenbacker
• ricketiness
• rickets
• rickettsia
• Rickettsiaceae
• rickettsial
• rickettsial disease
• Rickettsiales
• rickettsialpox
• rickettsiosis
• rickety
• rickey
• Rickover