"(physics) any of several kinds of apparatus that maintain and control a nuclear reaction for the production of energy or artificial elements"@en-us . . "0"^^ . . "reactor"@en-us . . . . . . . . "03834040-n"^^ . . . "nuclear reactor"^^ . "103689841"@en-us . . "103046989"@en-us . . "103834040"^^ . . . . "nuclear reactor"@en-us . . . . . . . . "0"^^ . . .