lightproof


light·proof

adjective \ˈlīt-ˌprüf\

Definition of LIGHTPROOF

:  impenetrable by light

First Known Use of LIGHTPROOF

1923

Browse

Next Word in the Dictionary: light quantum
Previous Word in the Dictionary: light pressure
All Words Near: lightproof

Seen & Heard

What made you want to look up lightproof? Please tell us where you read or heard it (including the quote, if possible).