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安裝中文字典英文字典辭典工具!
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- Who changed the way vacumn was spelled 40 years ago?
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 an abstract, non-count noun denoting the emptiness of space, later any void or empty space, for which one could use the Latin plural vacua or simply tack on
- pronunciation - Why is vacuum pronounced [ˈvæ. kjuːm] and not [ˈvæ . . .
+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 came to be pronounced differently from the -uum in the others, but to judge from the pronunciation offered in John Walker's A Critical Pronouncing Dictionary, and Expositor of the English Language (1807), 'twas not always thus
- differences - English Language Usage Stack Exchange
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
- Starting sentences with which - English Language Usage Stack Exchange
I don't know if this question really has an answer, but it's been bugging me for a while: When did it become fashionable to start sentences with the word "which"? Here's a short example: I drove
- Where is the root morpheme in Modern English evacuate and vacuum?
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 relationships with vain, vast and waste which have similar origins in Latin or proto-Indo-European, but which have more specific meanings in modern English
- punctuation - Why is it that we use a comma before tag questions . . .
9 I would argue that the meaning of “Am I not?” is not independent from the prior “I am helpful”, since “not” implicitly refers to “helpful” (In a vacuum, “Am I not?” could only be construed as some sort of philosophical counter-Descartian pondering ) In light of this dependence, the comma is more apt then the semicolon
- british english - Is hoover capitalised? - English Language Usage . . .
In the UK (and sometimes Australia), a vacuum cleaner will be called a hoover, regardless of its brand Likewise, the verb "to vacuum" is replaced with "to hoover" With a brand name being used in
- What do salespeople mean by dont sell the steak, sell the sizzle?
In other words, don't talk about how the vacuum cleaner was made in Germany and incorporates the latest technology; tell the client he'll be able to vacuum the house in half the time and he'll never have to buy a replacement bag
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