WebOct 13, 2024 · etymology. (n.) late 14c., ethimolegia "facts of the origin and development of a word," from Old French etimologie, ethimologie (14c., Modern French étymologie ), from Latin etymologia, from Greek etymologia "analysis of a word to find its true origin," properly "study of the true sense (of a word)," with -logia "study of, a speaking of" (see ... WebJun 15, 2024 · refrigerator. (n.) 1610s, "something that cools, that which keeps cool," agent noun from refrigerate. As "cabinet or chamber for keeping food or other contents …
How It All Began: The History of the Refrigerator
WebJun 15, 2024 · refrigeration. (n.) late 15c., refrigeracion, "act of cooling or freezing," originally in alchemy, from Latin refrigerationem (nominative refrigeratio) "a cooling, … WebPsychrometrics. Not to be confused with Psychometrics, a discipline of psychology and education. Psychrometrics (or psychrometry, from Greek ψυχρόν (psuchron) 'cold', and μέτρον (metron) 'means of measurement'; [1] [2] also called hygrometry) is the field of engineering concerned with the physical and thermodynamic properties of gas ... tasik meromiktik
Global Cooling The History of Air Conditioning - ASME
The term refrigeration denotes cooling of a space, substance or system to lower and/or maintain its temperature below the ambient one (while the removed heat is rejected at a higher temperature). Refrigeration is considered an artificial, or human-made, cooling method. Refrigeration refers to the process … See more Earliest forms of cooling The seasonal harvesting of snow and ice is an ancient practice estimated to have begun earlier than 1000 BC. A Chinese collection of lyrics from this time period known as the See more In the last century, refrigeration allowed new settlement patterns to emerge. This new technology has allowed for new areas to be settled that are not on a natural channel of transport such as a river, valley trail or harbor that may have otherwise not been settled. … See more Probably the most widely used current applications of refrigeration are for air conditioning of private homes and public buildings, and refrigerating foodstuffs in homes, restaurants … See more The refrigeration capacity of a refrigeration system is the product of the evaporators’ enthalpy rise and the evaporators’ mass flow rate. … See more Agriculture's role in developed countries has drastically changed in the last century due to many factors, including refrigeration. Statistics from the 2007 census gives … See more In the late 19th Century and into the very early 20th Century, except for staple foods (sugar, rice, and beans) that needed no refrigeration, the available foods were affected heavily by … See more Methods of refrigeration can be classified as non-cyclic, cyclic, thermoelectric and magnetic. Non-cyclic refrigeration This refrigeration … See more WebJun 24, 2024 · By 1922, Carrier had created the safer, smaller and more powerful Centrifugal Refrigeration Compressor, the precursor to modern air conditioning. At the … WebEtymology Latin refrigeratus, past participle of refrigerare, from re- + frigerare to cool, from frigor-, frigus cold — more at frigid First Known Use 1534, in the meaning defined above … bric\u0027s zaini