zettametre en · NOUN
Etymology
From zetta- + metre.
Meanings
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An SI unit of length equal to 10²¹ metres. Symbol: Zm
Holonyms: yottametre < ronnametre < quettametre
How many kiloparsecs are there in a zettametre (10²¹ m)?
2018, Margreth Tadie, Robert Pott, Neill Goosen, Petrie Van Wyk, Karin Elizabeth Wolff, “Expanding 1st year problem-solving skills through unit conversions and estimations”, in IEEE Global Engineering Education Conference (EDUCON):Meronyms: picometre < nanometre < micrometre < millimetre < centimetre < decimetre < metre < kilometre < megametre < gigametre < terametre < petametre < exametre
The largest known galaxy, at the centre of the Abell 2029 cluster in Virgo, has a diameter of around 53 zettametres.
1994, New Scientist - Volume 144, Issues 1951-1958, page 81:As one of my reviewers (SP Gray) puts it: '...I think that Andromeda will be a good deal closer to the Solar System than it is now, before we read of its distance in zettametres'
2015 August, Keith Atkin, “Time to ditch non-SI units in physics teaching?”, in Physics Education, volume 50, number 5:
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| zettametres | Number=Plur | lexicographic |
Relateds
Translations (1)
fr zettamètre (10^21 metres)