"(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected"@en-us . . "catalyst"@en-us . . "catalyst"^^ . "0.133398"^^ . "(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected"@en-us . "0.0891533"^^ . . "0.124878"^^ . "114723628"^^ . . . . . "14723628-n"^^ . . . "0.144256"^^ . . . "0.119378"^^ . "0.078591"^^ . . "0.0663653"^^ . . . "accelerator"@en-us . "113882497"@en-us . . . . "0"^^ . . . . "0"^^ . "0.24398"^^ .