microsphere

play
noun mi·cro·sphere \ˈmī-krə-ˌsfir\

Definition of microsphere

  1. :  a minute sphere

microspherical

play \ˌmī-krə-ˈsfir-i-kəl, -ˈsfer-\ adjective

1894

First Known Use of microsphere

1894


Medical Dictionary

microsphere

play
noun mi·cro·sphere \-ˌsfir\

Medical Definition of microsphere

  1. :  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


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