Vacuum vs Lightwave - What's the difference?
vacuum | lightwave |
A region of space that contains no matter.
A vacuum cleaner.
The condition of rarefaction, or reduction of pressure below that of the atmosphere, in a vessel, such as the condenser of a steam engine, which is nearly exhausted of air or steam, etc.
A wave of light.
*{{quote-news, year=2007, date=February 6, author=Natalie Angier, title=How Do We See Red? Count the Ways, work=New York Times
, passage=Cones manage their magic in computational teams of three types, each tuned to a slightly different slice of the electromagnetic spectrum, the sweeping sum of lightwaves that streams from the sun. }}
As nouns the difference between vacuum and lightwave
is that vacuum is (rare|chiefly|netherlands) while lightwave is a wave of light.vacuum
English
Alternative forms
* (rare)Noun
(wikipedia vacuum) (en-noun)- a vacuum of 26 inches of mercury, or 13 pounds per square inch
Usage notes
* In the sense of "a region of space that contains no matter", the plural of vacuum' is either '''vacua''' or '''vacuums'''. In the sense of a "vacuum cleaner" ' vacuums is the only plural. * The Latin in vacuo'' is sometimes used instead of ''in a vacuum (in free space).Synonyms
* (vacuum cleaner) hoover (British )Antonyms
* (region of space that contains no matter) plenumDerived terms
* power vacuum * vacuum brake * vacuum cleaner * vacuum pan * vacuum valveSynonyms
* (transitive sense) to hoover (British) * (intransitive sense) to do the hoovering, to hoover (British)lightwave
English
Noun
(en noun)citation