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 History of this Word

"pico" is from "beccus" (beak) spoken by ancient people in central Italy around 700 B.C.

Notes

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

Words related to this meaning

grammar is modifier

"pico-" is a type of prefix

Definition

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

Examples of how the word is used

pico- illustration By measuring the frequency of the light a scientist can determine changes in the position with picometer accuracy.
pico- illustration The committee established a tolerable weekly intake of 7 picogram per kilogram body weight.