A __ Converter Reduces the Toxicity of Emissions

This page is the CodyCross answer for the clue below from Medieval Times, Group 233, Puzzle 3 (Conquest of Granada).

Question is: A __ Converter Reduces the Toxicity of Emissions

and the answer is: CATALYTIC

Word Meaning:

CATALYTIC — (chemistry) Of or relating to a catalyst; having properties facilitating chemical reaction or change.

Definitions from Wiktionary.

A __ converter reduces the toxicity of emissions — CodyCross Answer | CodyCross Solutions