Vacuum Cleaner For Stairs

Apr 28, 2018according to the online etymological dictionary, vacuum entered english in the 1540s directly from latin as the substantivized, neuter form of the adjective vacuus. 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. 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.

Feb 28, 2021is it necessary to put an article before the word "vacuum" Jun 15, 2011clearly 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-. Oct 24, 2011a perfect vacuum would be one with no particles in it at all, which is impossible to achieve in practice.

Oct 8, 2017if 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'. Feb 11, 2018considering 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.