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.
What are considered normal testosterone levels in men can range widely, from around 300 to more than 800 nanograms per deciliter, but even that depends on which guidelines are followed or which lab tests were conducted, Brahmbhatt said. Jacqueline Howard, CNN Money, 20 June 2026 Experts recommend that men should consider treatment if their levels dip below 300 nanograms per deciliter (ng/dL). Keith Wagstaff, Los Angeles Times, 10 June 2026 The child’s blood also contained 30 nanograms per milliliter of meth. Robert Salonga, Mercury News, 8 May 2026 Prosecutors say his blood tested positive for THC (10 nanograms per milliliter of blood). Amanda Lee Myers, USA Today, 10 Mar. 2026 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

Browse Nearby Words

Cite this Entry

“Nanogram.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nanogram. Accessed 27 Jun. 2026.

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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster