nanogram

noun

nano·​gram ˈna-nə-ˌgram How to pronounce nanogram (audio)
: one billionth of a gram

Examples of nanogram in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Others, such as Ohio and Wisconsin, use per se laws, setting thresholds for drugs like THC — such as 5 nanograms per milliliter of blood. Andrew Yockey, The Conversation, 11 Sep. 2025 While results have bounced up and down since testing began at the start of summer, the most recent findings showed just under 1,500 nanograms per liter (ng/L) of cocaine at Surfside, compared to a national average of 1,000 and an average across the rest of the Northeastern U.S. of just 900. Michael Ruiz, FOXNews.com, 29 Aug. 2025 Small concentrations of substances like VOCs are measured in nanograms per liter — which is one billionth of a gram. Taylor O'Connor, Kansas City Star, 8 Aug. 2025 Normal testosterone levels are between 300 to 1,000 nanograms per deciliter. Shiv Sudhakar, NBC news, 14 July 2025 See All Example Sentences for nanogram

Word History

Etymology

International Scientific Vocabulary

First Known Use

1951, in the meaning defined above

Time Traveler
The first known use of nanogram was in 1951

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Cite this Entry

“Nanogram.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nanogram. Accessed 14 Sep. 2025.

Kids Definition

nanogram

noun
nano·​gram
ˈnan-ə-ˌgram
: one billionth of a gram

Medical Definition

nanogram

noun
nano·​gram
variants or chiefly British nanogramme
: one billionth of a gram
abbreviation ng
Last Updated: - Updated example sentences
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