microgram

noun

mi·​cro·​gram ˈmī-krə-ˌgram 

: one millionth of a gram see Metric System Table

Examples of microgram in a Sentence

Recent Examples on the Web

The city said in a statement that the concentration of pollutants averaged 196 micrograms per cubic meter, which is considered an unhealthy level way above the normal range of about 3 to 9. — ABC News, 9 Oct. 2026

Separating the isotopes presents another challenge as the extremely small amounts must be recovered from solutions that can still contain micrograms of highly radioactive Cf-252. — Georgina Jedikovska, Interesting Engineering, 24 Sep. 2026

This can modestly contribute to your daily vitamin K needs, which is 120 and 90 micrograms for men and women, respectively. — Kirsten Nunez, Martha Stewart, 13 Sep. 2026

There’s no official daily B1 recommendation for GLP-1 users, but Flanagan says the guideline for bariatric surgery patients is 12-50 micrograms per day. — Helen Carefoot, Flow Space, 12 Aug. 2026

Word History

Etymology

International Scientific Vocabulary

First Known Use

circa 1890, in the meaning defined above

Rhymes for microgram

• abraham
• anagram
• cablegram
• cofferdam
• dendrogram
• diagram
• diaphragm
• epigram
• hexagram
• histogram
• hologram
• instagram

Medical Definition

microgram

noun

mi·​cro·​gram ˈmī-krə-ˌgram 

1

: one millionth of a gram

2

: micrograph sense 1