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| a stew of meat, vegetables, potatoes, etc. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
sodium fluoride n.
A colorless crystalline salt used in fluoridation of water, in treatment of tooth decay, and as an insecticide and a disinfectant.
| sodium fluoride
A colorless, crystalline salt used to fluoridate water and treat tooth decay. It is also used as an insecticide and a disinfectant. Chemical formula: NaF. |