Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- prefix nonstandard (rare) In
metric systems of units, multiplies theunit to which it is attached by 10−27. Symbol: x
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
From ennea-, Greek for "nine", for the ninth order of 10−3, and the letter x, as the third term in a series running backwards through the alphabet. The final o indicates a negative power of ten.
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