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calcium arsenate

American  

noun

  1. a white, slightly water-soluble, poisonous powder, Ca 3 (AsO4 ) 2 , used as an insecticide and as a germicide.


Example Sentences

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Compounds that contain calcium arsenate, for example, may damage annual bluegrass; those containing dacthal and zytron can harm fescues and bent grasses.

From Time Magazine Archive

Dauss King grew a bale of cotton on his Lord's acre, which he did not even spray with calcium arsenate.

From Time Magazine Archive

While the prayers rise to heaven, airplanes are also ascending, and spraying the fields with hydrocyanic gas and calcium arsenate.

From Time Magazine Archive

One of the earliest pesticides associated with cancer is arsenic, occurring in sodium arsenite as a weed killer, and in calcium arsenate and various other compounds as insecticides.

From "Silent Spring" by Rachel Carson

Spray with arsenate of lead or calcium arsenate, 1 tablespoonful if a paste or ½ tablespoonful if a powder, and 1 tablespoonful of lime to 1 gallon of water.

From A Living from the Land by Duryee, William B.