light trap

light trap
noun
1.
a. : a passageway (as for a photographic darkroom) provided with double doors, curtains, or bends to allow passage of a person while excluding light
b. : a device (as for a photographic apparatus) that allows free passage of air or movement of a sliding part but excludes light — called also light lock
2. : a device for collecting or destroying insects that consists of a bright light in association with a suitable trapping or killing medium

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light trap noun
Any mechanical arrangement which permits movement while excluding light, such as the doors and partitions providing access to a darkroom
• • •
Main Entry: ↑light

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light trap,
a device for trapping insects by means of a mercury vapor lamp or other light source that attracts insects.

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n.
1) Zoology an illuminated trap for attracting and catching nocturnal animals, esp. moths and other flying insects
2) Photography a device for excluding light from a darkroom without preventing entry into it

Useful english dictionary. 2012.

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Look at other dictionaries:

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  • black-light trap — /blak luyt / a trap for insects that uses ultraviolet light as an attractant. * * * …   Universalium

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  • light lock — noun : light trap …   Useful english dictionary

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