освети́тель

nounanimatecountablevery rarely used (#22604)noun in -ь

1.
lighting technician, lighting engineer, person in charge of lightingtheatre
Освети́тель навёл проже́ктор на сце́ну.
The lighting technician aimed the spotlight at the stage.
Occupation in theatre, film and TV production.
2.
(rare) illuminator, light source, lighting devicetechnology
В микроско́пе стоит светодио́дный освети́тель.
The microscope has an LED illuminator.
Technical term for the light-emitting part of a device.

Examples

На съёмках работал опытный осветитель.
An experienced lighting technician was working on the set.
Осветитель настроил свет перед началом спектакля.
The lighting technician set up the lights before the performance began.
Осветитель проверил все лампы в студии.
The lighting technician checked all the lamps in the studio.