Word: autodefrost
Part of speech: Noun
Syllables: au
to
de
frost
Definition: A feature in a refrigerator or freezer that regularly defrosts the evaporator.
Morphemes:
Affix: auto-
Language: en
PoS: Prefix
Meaning: auto- (relating to cars)
Affix: de-
Language: en
PoS: Prefix
Meaning: Intensifying; make more intense, stronger, or more marked; 
Etymology Compounds: Affix: dē-
Language: la
Decoded: de-
PoS: Prefix
Meaning: de-
Affix: frost
Language: en
PoS: Noun
Meaning: The act of freezing; the congelation of water or other liquid.