The refrigerant flows through the coils on the back or under the freezer and through an expansion valve to the inside of the freezer. As the refrigerant passes through the expansion valve the pressure drops and hence the temperature also drops.
The noun MM has 1 sense: 1  1. a metric unit of length equal to one thousandth of a meter. 2  Meaning: 3  A metric unit of length equal to one thousandth of a meter. 4  Classified under: 5  Nouns denoting quantities and units of measure. 6  Synonyms: 7  millimeter; millimetre; mm. 8  Hypernyms (mm is a kind of...):
MCM means âMan crush Mondayâ If you are on Instagram, Facebook Tumblr or Twitter, you must have seen or used the hashtag #mancrushmonday, or its shorthand hashtag #mcm. The word crush in informal use means a brief but intense liking /inclination for someone as we all must have felt as teenage crush.This explains the meaning of mcm.