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...):
An abbreviation that is widely used in texting and chat, and on Facebook, Instagram, Snapchat and elsewhere on the internet, but what does Mhm mean in slang? Mhm is an abbreviation for mm-hmmm, meaning yes. Mhm is used to halfheartedly agree with or say to yes to someone. My girlfriend loves saying mhm when sheâs mad.