
Who changed the way vacumn was spelled 40 years ago?
2018年4月28日 · According to the Online Etymological Dictionary, vacuum entered English in the 1540s directly from Latin as the substantivized, neuter form of the adjective vacuus. The earliest use was as …
pronunciation - Why is "vacuum" pronounced [ˈvæ.kjuːm] and not [ˈvæ ...
2017年8月21日 · +1 It seems that vacuum is the odd word out when placed in a lineup with (for example) continuum, individuum, menstruum, and residuum. I don't know why the -uum in vacuum …
Can I call a vacuum cleaner cleaner a vacuum cleaner?
2017年10月8日 · If a 'vacuum cleaner cleaner' is a machine for cleaning vacuum cleaners, then the person who cleans the vacuum cleaner cleaner would be a 'vacuum cleaner cleaner cleaner'.
Where is the root morpheme in Modern English evacuate and vacuum?
2011年6月15日 · Clearly they are related through Latin, from e- and vacare (out of and to empty) and from vacuus (empty), and in Latin the shared morpheme is vac-. More interesting may be the …
Idioms or phrases to answer to obvious (yes) questions?
2020年6月23日 · Is the pope catholic? Do vacuum cleaners suck? Is water wet? Is the hypotenuse the longest side of a triangle? Does a bear live in the woods? I’ll answer you with my favorite ‘Y’ …
When did television become known as the 'tube'?
2023年4月9日 · The CRT or Cathode Ray Tube is the vacuum tube/electron gun combination that (before plasma and LCD televisions) was the basis of all televisions and computer monitors.
differences - "Electronic" vs. "electric" - English Language & Usage ...
2010年11月27日 · The vacuum tube was soon replaced by semi-conductor materials. The technology was named solid state electronics because, semi-conductor materials, like vacuum, are actually …
expressions - English Language & Usage Stack Exchange
A talent/knowledge vacuum is created as talent redundancy has been overlooked and nobody else knows how to do Sara's job, then that leg of the company experiences failure until a solution for …
"At hand" vs "on hand" vs "in hand" - English Language & Usage Stack ...
What's the difference between at hand, on hand and in hand? At hand seems to me as if you have something in reach. On hand is if you have something in stock. And in hand can be used as if you …
Difference in meaning in "insulation" vs. "isolation"? [closed]
2011年12月13日 · 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 …