Arsenic disulfide
an orange-red, water-insoluble, poisonous powder, as 4 s 4 , as 2 s 2 , or -ss, used chiefly in the manufacture of fireworks.
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- Arsenic hour
noun the time of day when both children and parents have come home but dinner has not yet been served, seen as being difficult due to everyone being tired and hungry examples ‘-rs-nic hour’ was first used as a play on the words of henry wadsworth longfellow’s poem “the children’s hour.”
- Arsenic trichloride
a colorless or yellow, oily, poisonous liquid, ascl 3 , used chiefly as an intermediate in the manufacture of organic -rs-nicals.
- Arsenic trioxide
a white, tasteless, amorphous, slightly water-soluble, poisonous powder, as 2 o 3 , used chiefly in the manufacture of pigments and gl-ss and as an insecticide or weed-killer; -rs-nous acid. noun a white poisonous powder used in the manufacture of gl-ss and as an insecticide, rat poison, and weedkiller. formula: as2o3 also called -rs-nic
- Arsenic trisulfide
a yellow or red crystalline substance, as 2 s 3 , occurring in nature as the mineral orpiment, and used as a pigment (king’s yellow) and in pyrotechnics.
- Arsenical
containing or relating to . any of a group of pesticides, drugs, or other compounds containing . historical examples -rs-nical soaps, &c.—-rs-nic is used in preserving the skins of animals. poisons: their effects and detection alexander wynter blyth -rs-nical compounds have supplanted practically all other substances used to combat external biting insects. apple growing m. […]