microgram

noun

mi·​cro·​gram ˈmī-krə-ˌgram How to pronounce microgram (audio)
: one millionth of a gram see Metric System Table

Examples of microgram 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.
The tolerable upper limit for vitamin D in adults is 100 micrograms (4,000 IU). Kirstyn Hill, Pharmd, Mph, Health, 8 Dec. 2024 Under the draft plan, actions will need to be taken to mitigate potential impacts when levels in the environment exceed the 9.7 microgram level. Rachel Frazin, The Hill, 6 Dec. 2024 What some might not know about Gray is that years earlier, he was found to have 35 micrograms of lead in his blood as result of exposure to dust from chipping lead paint in his childhood home in Baltimore. Christopher Round, Baltimore Sun, 1 Nov. 2024 It is often given in a single 1,000 microgram dose, but it can be split into two doses on the same day to avoid nausea. Maxine Lipner, Verywell Health, 30 Oct. 2024 See all Example Sentences for microgram 

Word History

Etymology

International Scientific Vocabulary

First Known Use

circa 1890, in the meaning defined above

Time Traveler
The first known use of microgram was circa 1890

Dictionary Entries Near microgram

Cite this Entry

“Microgram.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microgram. Accessed 30 Dec. 2024.

Medical Definition

microgram

noun
mi·​cro·​gram ˈmī-krə-ˌgram How to pronounce microgram (audio)
1
: one millionth of a gram
2

More from Merriam-Webster on microgram

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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