Lightproof
adj
adj ·Uncommon ·College level
Definitions
Adjective
- 1 Sealed so that no light can enter.
"Unexposed photographic film must be kept in a lightproof container or it will be exposed and ruined."
Adjective
- 1 not penetrable by light wordnet
Example
More examples"Unexposed photographic film must be kept in a lightproof container or it will be exposed and ruined."
Etymology
From light + -proof.