re·frig·er·ant
noun/rɪˈfrɪdʒərənt/
/rɪˈfrɪdʒərənt/
[countable, uncountable]- a chemical substance used in the refrigeration process
制冷过程中使用的化学物质 Word Originlate 16th cent. (denoting a substance that cools or allays fever): from French réfrigérant or Latin refrigerant- ‘making cool’, from the verb refrigerare.