Black-light-trap
a trap for insects that uses ultraviolet light as an attractant.
Historical Examples
Legacy James H Schmitz
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- Black-liquor
(in making wood pulp for paper) the liquor that remains after digestion.
- Black--list
a list of persons under suspicion, disfavor, censure, etc.: His record as an anarchist put him on the government’s blacklist. a list privately exchanged among employers, containing the names of persons to be barred from employment because of untrustworthiness or for holding opinions considered undesirable. a list drawn up by a labor union, containing the […]
- Blacklist
a list of persons under suspicion, disfavor, censure, etc.: His record as an anarchist put him on the government’s blacklist. a list privately exchanged among employers, containing the names of persons to be barred from employment because of untrustworthiness or for holding opinions considered undesirable. a list drawn up by a labor union, containing the […]
- Black-locust
Also called false acacia, yellow locust. a North American tree, Robinia pseudoacacia, of the legume family, having pinnate leaves and clusters of fragrant white flowers. honey locust.
- Black-lung
pneumoconiosis of coal miners, caused by coal dust; anthracosis. noun another name for pneumoconiosis black lung An occupational disease of coal miners caused by the long-term inhalation of coal dust, characterized by the presence of coal around the bronchioles on x-ray images. Most patients develop no symptoms, but a few advance to progressive obstruction of […]