nano·​gram | \ ˈna-nə-ˌgram How to pronounce nanogram (audio) \

Definition of nanogram

: one billionth of a gram

Examples of nanogram in a Sentence

Recent Examples on the Web

The Institute of Medicine recommended a diagnosis be made only for people who have less than 20 nanograms of the vitamin per milliliter of blood, but labs and other professional groups use higher cutoffs. Julia Belluz, Vox, "Millions of Americans take vitamin D. Most should just stop.," 9 Oct. 2018 Jackson County Detective Tom Baker said that the lethal amount for an adult is 100 nanograms. Paulina Dedaj, Fox News, "Indiana boy dies after ingesting 180 times the lethal amount of meth while under father's custody, report says," 3 Aug. 2018 Researchers defined Vitamin D levels of below 30 nanograms per milliliter as insufficient. Sonja Haller, USA TODAY, "Vitamin D deficiency tied to miscarriages, study says," 31 May 2018 Some of the tanks contained small amounts of cocaine—20 nanograms per liter, which corresponds to the mean concentration of the drug that has been detected in surface waters—and some were filled with tap water. Brigit Katz, Smithsonian, "Cocaine in the Water Is Hurting River Eels," 20 June 2018 Participants with blood levels above 60 nanograms per milliliter had just 20 percent of the risk, compared to those those with less than 20 ng/ml. Bradley J. Fikes,, "Vitamin D associated with lower risk of breast cancer, UCSD-led study finds," 15 June 2018 Normal testosterone levels in men range from about 300 to 1,000 nanograms per deciliter of blood. Randi Hutter Epstein, New York Times, "The Highs and Lows of Testosterone," 27 Mar. 2018 If inhaled, the lethal dose is in the tens of nanograms per kilogram of body weight. Vera Thoss, Washington Post, "How the nerve agent in the spy attack and other toxins cause widespread contamination," 24 Mar. 2018 If inhaled, the lethal dose is in the tens of nanograms per kilogram of bodyweight. Vera Thoss, Smithsonian, "How to Calculate the Danger of a Toxic Chemical to the Public," 15 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'nanogram.' 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 nanogram

1951, in the meaning defined above

History and Etymology for nanogram

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The first known use of nanogram was in 1951

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variants: or chiefly British nanogramme \ ˈnan-​ə-​ˌgram How to pronounce nanogramme (audio) \

Medical Definition of nanogram

: one billionth of a gram abbreviation ng

Comments on nanogram

What made you want to look up nanogram? Please tell us where you read or heard it (including the quote, if possible).


to speak slightingly about or to degrade

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