Vacuum Cleaner For Stairs

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. 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.

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'. 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-. Jun 26, 2011the 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 24, 2011a perfect vacuum would be one with no particles in it at all, which is impossible to achieve in practice. Physicists often discuss ideal test results that would occur in a perfect vacuum, which.

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. Feb 28, 2021is it necessary to put an article before the word "vacuum"