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...):
It is a slang and is used in informal testing. Usage. MHM is used to show agreement. Its mention is often regarded as conflicting. It can be as assign of silent irritation in case there is an argument over chat. There are many answers to what does mhm mean, as it shows agreement to indifference. It can be as a sign of understanding the statement in the text.