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...):
What is MMS? The MMS specification allows for the creation of messages sent from one mobile phone to another that can contain text, pictures, audio, and video that can be optionally organized into slides in a presentation. Unlike SMS and EMS, the MMS system relies on 2.5G, or newer, data connectivity technologies such as GPRS and 1xRTT.