microsphere

noun
mi·​cro·​sphere | \ ˈmī-krə-ˌsfir How to pronounce microsphere (audio) \

Definition of microsphere

: a minute sphere

Keep scrolling for more

Other Words from microsphere

microspherical \ ˌmī-​krə-​ˈsfir-​i-​kəl How to pronounce microspherical (audio) , -​ˈsfer-​ \ adjective

Examples of microsphere in a Sentence

Recent Examples on the Web These clusters of specially coated microspheres dissipate energy by roping nearby spheres into forming identical clusters. Quanta Magazine, "A New Physics Theory of Life," 22 Jan. 2014 The catalyst for this rapid process is known are polystyrene microspheres, tiny particles which contain styrene and have a wide range of applications throughout the sciences. David Grossman, Popular Mechanics, "Scientists Can Now Make a Carbon-Trapping Mineral in a Lab," 15 Aug. 2018 Available for purchase online, polystyrene microspheres can absorb proteins, be loaded with compounds, and perform any number of scientific tasks. David Grossman, Popular Mechanics, "Scientists Can Now Make a Carbon-Trapping Mineral in a Lab," 15 Aug. 2018 Photo: Mary Corse, Untitled (Yellow, Black, White, Beveled), 2010, Glass microspheres in acrylic on canvas, 12 x 108 inches; Carolyn Drake for WSJ. Ted Loos, WSJ, "With Three New Shows, Artist Mary Corse is Finally Having Her Moment," 1 May 2018 Zilretta, which received Food and Drug Administration approval in October, treats pain as a corticosteroid is gradually released from tiny globes known as microspheres. Brian Gormley, WSJ, "The Heated Quest for Opioid Alternatives," 25 May 2018 Clyburn developed the microspheres in collaboration with Rice University's Antonios Mikos, Ph.D., and Catherine Ambrose, Ph.D., from UTHealth. Staff Report, Houston Chronicle, "Tiny antibiotic beads fight infections after joint replacement," 30 Jan. 2018 Its watergel formula swaps in drying alcohols for vitamin E, vitamin P, broccoli, aloe leaf extract and UVA/UVB filter microspheres. Shelbie Lynn Bostedt, RedEye Chicago, "Get summer ready with these beach essentials," 11 June 2017 Zero infections developed in the model that received the microspheres. Staff Report, Houston Chronicle, "Tiny antibiotic beads fight infections after joint replacement," 30 Jan. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'microsphere.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of microsphere

1894, in the meaning defined above

Keep scrolling for more

Learn More about microsphere

Statistics for microsphere

Time Traveler for microsphere

The first known use of microsphere was in 1894

See more words from the same year

Keep scrolling for more

More Definitions for microsphere

microsphere

noun
mi·​cro·​sphere | \ -ˌsfir How to pronounce microsphere (audio) \

Medical Definition of microsphere

: a spherical shell that is usually made of a biodegradable or resorbable plastic polymer, that has a very small diameter usually in the micron or nanometer range, and that is often filled with a substance (as a drug or antibody) for release as the shell is degraded

More from Merriam-Webster on microsphere

Britannica.com: Encyclopedia article about microsphere

Comments on microsphere

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

WORD OF THE DAY

concealed or difficult to comprehend

Get Word of the Day daily email!

Test Your Vocabulary

Pass the Little Ribbons: A Pasta Word Quiz

  • rotelle pasta
  • Match the pasta to its meaning in English: Rotelle
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Add Diction

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

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