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 History of this Word

"yocto" was adapted in 1991 A.D. from "octo" because it is equal to 1/1000(8th power).

"octo" is from "okto" (eight) spoken by people of Greece starting about 1000 B.C.

Notes

In this sense, it is a word added to another word to form a new word.

More words with this prefix,
yoctoampere
yoctometre

Words related to this meaning

grammar is modifier

"yocto-" is a type of prefix

Definition

A prefix added to the start of a word. Indicates that "septillionth" modifies the word. Created to expand meanings. Can be used with many words to form new words.

Examples of how the word is used

yocto- illustration The group hopes they can improve the design further to achieve sensitivity in the yoctogram range, about the mass of a single hydrogen atom.
yocto- illustration In nature around us there are various physical events that occur on time scales of the yoctosecond.