a headlight in which the reflector and lens are hermetically sealed together with the filament in a single unit.
(esp of a car headlight) having a lens and prefocused reflector sealed in the lamp vacuum
- Sealed-beam headlight
[seeld-beem] /ˈsildˈbim/ noun 1. a headlight in which the reflector and lens are hermetically sealed together with the filament in a single unit.
noun 1. something beyond understanding and therefore unknown. noun 1. another term for closed book
- Sealed move
noun 1. (chess) the last move before an adjournment, which is written down by the player making it, sealed in an envelope, and kept secret from his opponent until play is resumed
plural noun 1. written orders or instructions that are not to be looked at until a specified time, especially orders that are given in sealed form to a commander of a vessel to be opened after the vessel is out of contact with the shore. sealed orders plural noun 1. written instructions that are not […]