microsphere

noun
mi·​cro·​sphere | \ˈmī-krə-ˌsfir \

Definition of microsphere 

: a minute sphere

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Other Words from microsphere

microspherical \ˌmī-​krə-​ˈsfir-​i-​kəl, -​ˈsfer-​ \ adjective

Examples of microsphere in a Sentence

Recent Examples on the Web

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 Similiar to the original version, Luminous Blur contains blurring microspheres which work to absorb oil and mattify the skin, leaving the wearer with a velvety-smooth, shine-free surface. Kaleigh Fasanella, Allure, "Milk Makeup Is Launching a Luminous Version of Its Best-Selling Blur Stick," 16 Jan. 2018 The top layer has scattered glass microspheres that are infrared radiant. Danika Worthington, The Denver Post, "Kind of a big deal: Paper-thin air-conditioning system uses no energy," 23 Feb. 2017 The same star as seen through a microsphere (right). Dave Mosher, WIRED, "Tiny Spheres Turn Regular Microscopes Into Nanoscopes," 1 Mar. 2011

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.

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First Known Use of microsphere

1894, in the meaning defined above

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The first known use of microsphere was in 1894

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More Definitions for microsphere

microsphere

noun
mi·​cro·​sphere | \-ˌsfir \

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

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