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pronunciation - Why is vacuum pronounced [ˈvæ. kjuːm] and not [ˈvæ . . . By the way, Merriam-Webster's Eleventh Collegiate Dictionary (2003) continues to list a three-syllable pronunciation of vacuum as a secondary (or tertiary) pronunciation of the word, and as late as Webster's New International Dictionary (1909), the dictionary doesn't even bother to provide a pronunciation independent of its prescribed syllable division, presumably because the people at Merriam
differences - English Language Usage Stack Exchange There's also vacuum Volume with extremely little matter in it Volume with extremely little matter in it Perfect vacuum does not exist - there will always be some energy, some particles manifesting themselves spontaneously from quantum uncertainty, but generally lack of matter, including air is considered vacuum
Can I call a vacuum cleaner cleaner a vacuum cleaner? A useful workaround here: simply say "a cleaner of vacuums" (or "a cleaner of vacuum cleaners") "Vacuum cleaner" is a fading usage, at least in my dialect of English (in Canada we are likely to just call it a "vacuum"), but enough use the compound that it is confusing to employ it for any other usage
What does programming in a vacuum mean? - English Language Usage . . . Physicists often discuss ideal test results that would occur in a perfect vacuum, which they simply call "vacuum" or "free space", and use the term "partial vacuum" to refer to real vacuum The idea of doing an activity, such as programming, in a vacuum , can refer to the idea of doing it without a surrounding environment or without context and
Gap, void or vacuum? - English Language Usage Stack Exchange Considering their primary meanings, vacuum is used more often in a scientific context, in which case it means space completely or partially absent of any matter air It is a scientific term, while void can be used non-technically in a more abstract sense, but it can also be used when talking about empty space in a non-scientific way
Where is the root morpheme in Modern English evacuate and vacuum? They both are cognates (it can be easily proved by many etymological sources) The question is : Is it possible to consider VAC as a common root for evacuate and vacuum (we may go further - vacation, vacancy, vacuous etc )
Electronic vs. electric - English Language Usage Stack Exchange A simple vacuum tube, a triode, with its heated cathode Source As expected with an insulator, electrons cannot move in vacuum, there is no electric current, the impatient electrons must stay on their wire! However, in a vacuum tube there is a way to transfer more energy to the heated electrons packed on the cathode
When did television become known as the tube? Inside old TVs what the British call valves Americans called vacuum tubes or just tubes The largest tube was the picture tube that's the front of the TV where you would watch the picture Most people referred to it as TV but every now and then someone would call it the tube
Difference in meaning in insulation vs. isolation? [closed] Electrical isolation amounts to using an air gap (or vacuum) as an insulating (nonconducting) medium; like most electrical insulators, air has a breakdown voltage, typically about 1000V mm, while the breakdown voltage in partial vacuum may be substantially less