1. ಉತ್ಪ್ರೇರಕ

    ♪ utprēraka
      adjective
    1. influencing a chemical reaction.

  2. ಉತ್ಪ್ರೇರಕ

    ♪ utprēraka
      noun
    1. an agent used for influence as the speeding up of the rate of a chemical reaction, without that agent undergoing a permanent chemical change; a catalyst.