How does the word sound?
History of this Word
"zepto" is from "septem" (seven) spoken by ancient people in central Italy around 700 B.C.
A prefix added to the start of a word. Indicates that "one thousand million million millionth" modifies the word. Created to expand meanings. Can be used with many words to form new words.
Examples of how the word is used
|A zeptogram is roughly the mass of a single protein molecule and its detection has set a new record.|
|A zm is a zeptometer, which is a whole lot smaller than the galaxy.|