cat cracker vs catalytic cracker

cat cracker and catalytic cracker both are nouns.

Word	Noun	Adjective	Verb	Adverb
cat cracker	Yes	No	No	No
catalytic cracker	Yes	No	No	No

As nouns, cat cracker and catalytic cracker are synonyms defined as:

cat cracker and catalytic cracker: a chemical reactor for converting oils with high boiling points into fuels with lower boiling points in the presence of a catalyst

cat cracker (noun)	catalytic cracker (noun)
a chemical reactor for converting oils with high boiling points into fuels with lower boiling points in the presence of a catalyst	a chemical reactor for converting oils with high boiling points into fuels with lower boiling points in the presence of a catalyst