pi·​co·​gram | \ ˈpē-kō-ˌgram How to pronounce picogram (audio) , -kə- \

Definition of picogram

: one trillionth of a gram

Examples of picogram in a Sentence

Recent Examples on the Web Earlier methods for producing the material turned up mere picograms. Courtney Linder, Popular Mechanics, "How to Turn Garbage Into Graphene," 28 Jan. 2020 Birds, in contrast, have genomes ranging from just under one picogram to just over two. Kate Wong, Scientific American, "Solving the Mystery of Songbird Diversity," 1 Nov. 2019 Grooves in the pad directed water from the central and purest part of the core to instruments known as mass spectrometers that continuously measured the quantity of lead down to one hundredth of a picogram, which is one trillionth of a gram. New York Times, "An Ice Core Reveals the Economic Health of the Roman Empire," 14 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'picogram.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of picogram

1951, in the meaning defined above

History and Etymology for picogram

International Scientific Vocabulary

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Time Traveler for picogram

Time Traveler

The first known use of picogram was in 1951

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Statistics for picogram

Cite this Entry

“Picogram.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/picogram. Accessed 5 Dec. 2020.

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More Definitions for picogram


pi·​co·​gram | \ ˈpē-kō-ˌgram, -kə- How to pronounce picogram (audio) \

Medical Definition of picogram

: one trillionth of a gram abbreviation pg

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