lightproof
Definition
- Adjective:
- Not penetrable by light; completely preventing the passage of light. Describes a material, container, or space that is designed or constructed so that no light can enter or pass through it.
Usage
The adjective "lightproof" is used to describe objects that must be protected from light, often to preserve the contents. It is commonly used in scientific, photographic, and storage contexts. * It typically precedes a noun (e.g., a lightproof bag). * It can follow a linking verb like "is" or "are" (e.g., The room is lightproof).
Examples
- Adjective:
- Photographic paper must be stored in lightproof envelopes to prevent exposure.
- The laboratory uses lightproof boxes to store light-sensitive chemicals.
- For the experiment to work, the chamber must be completely lightproof.
Advanced Usage
- "to make something lightproof": The process of sealing or covering something so that light cannot enter.
- We need to make this window lightproof for the film development process.
Variants and Related Words
- Lightproofing (n): The act or process of making something impervious to light.
- The lightproofing of the darkroom was essential.
- Light-tight (adj): A synonym with identical meaning, often used interchangeably with "lightproof."
Synonyms
- Opaque: Impervious to light; not transparent or translucent. (Note: "Opaque" is a more general term, while "lightproof" often implies a designed or intentional barrier.)
- Light-tight: (See Variants and Related Words).
Antonyms
- Transparent: Allowing light to pass through so that objects behind can be distinctly seen.
- Translucent: Allowing light to pass through diffusely; semi-transparent.
Adjective
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not penetrable by light
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lightproof containers
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