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Home arrow Resources arrow ASHRAE Glossary
Glossary

 

The terms and definitions included in this glossary were taken from "ASHRAE Terminology of Heating, Ventilation, Air Conditioning & Refrigeration".
To access the complete glossary please visit ASHRAE's Bookstore.


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Term Definition
meter constant (electric)


multiplier applied to the register reading to obtain kilowatt-hours 

 
methanol (methyl alcohol)


CH3OH, colorless, toxic, flammable liquid boiling at 148.9°F (65.0°C), having a flash point (open cup) of 54°F (12.2°C).

 

 
microbiology


branch of biology that deals with microorganisms 

 
microclimate


conditions such as temperature, humidity, and motion of air within an enclosure or limited outdoor area.

 
micrometre


unit of length, one millionth of a metre (one thousandth of a millimetre).

 
micron


obsolete unit of length, use micrometre (thousandth part of a millimetre; millionth part of a metre).

 
miscibility
ability of a liquid or gas to dissolve uniformly in another liquid or gas
 
mixed state


thermodynamic state of certain superconductors in which an array of fluxons carries magnetic flux through the superconductor
 
mixing section


in a duct system, a section for mixing airstreams at differing temperatures or humidities, or both 

 
mnemonic


type of instructions for a computer written in a form which is easy for the programmer to remember (a memory jogger) but which must later be converted into machine language
 




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