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 In the organic, bovine growth hormones, or bGH, residue levels were found to be 0.5 nanograms per milliliter. Rebekah Tuchscherer, USA TODAY, "Study finds residue of pesticides, antibiotics and growth hormone in non-organic milk," 26 June 2019 Autopsy blood tests have shown nanograms per millileter levels of over 100. Los Angeles Times, "Tyler Skaggs’ autopsy: Fentanyl, oxycodone and alcohol led to death by choking on vomit," 30 Aug. 2019 Tobias said that his testosterone went from 468 nanograms per deciliter to 1,098. Natalie B. Compton, WIRED, "Inside the Bulletproof Coffee Guy’s New Body-Hacking Gym," 10 July 2019 The pharmacy is asking a recall for the pills and requesting the FDA revise its acceptable intake levels of DMF from the current level of 8,800,000 nanograms to under 1,000 nanograms. Chris Morris, Fortune, "Another Cancer-Causing Chemical Found in Popular Blood Pressure Medication," 19 June 2019 For all four, systemic concentrations passed the nanogram threshold after the applications on the first day of the study. Aaron E. Carroll, New York Times, "How Safe Is Sunscreen?," 10 June 2019 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

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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Statistics for nanogram

Last Updated

28 Sep 2019

Time Traveler for nanogram

The first known use of nanogram was in 1951

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More Definitions for nanogram


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

Medical Definition of nanogram

: one billionth of a gram abbreviation ng

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