Definition of microsphere
: a minute sphere
microsphericalplay \ˌmī-krə-ˈsfir-i-kəl, -ˈsfer-\ adjective
Recent Examples of microsphere from the Web
The same star as seen through a microsphere (right).
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First Known Use of microsphere
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
Learn More about microsphere
Britannica.com: Encyclopedia article about microsphere
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