sealed beam
sealed beam · sealed beams
A type of electric lamp for producing a beam of light in which the filament is sealed…A type of electric lamp for producing a beam of light in which the filament is sealed inside a unit consisting of the reflector and lens so as to ensure the alignment of the beam and to protect the reflector from becoming dirty or tarnished.
Meaning
1 sensesA type of electric lamp for producing a beam of light in which the filament is sealed inside a unit consisting of the reflector and lens so as to ensure the alignment of the beam and to protect the reflector from becoming dirty or tarnished.
Forms
plural: sealed beams| Singular | sealed beam |
|---|---|
| Plural | sealed beams |
regular