Apr 28, 2018 · 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 …

Aug 21, 2017 · +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 …

Oct 8, 2017 · 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'.

Jun 15, 2011 · 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 …

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 …

Jun 23, 2020 · 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’ …

Jun 26, 2011 · 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 …

Oct 14, 2018 · 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 …

Apr 9, 2023 · 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.

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...