Definition of bioglass in US English:

bioglass

(also bioglas)

noun

  • 1A filtration medium in the form of small glass spheres or granules. Now rare.

  • 2Medicine. A synthetic bioactive substance resembling glass but containing high proportions of calcium and phosphorus, used for prostheses and implanted medical devices. [A trademark in the United States.]

Origin

1970s; earliest use found in British Patents. From bio- + glass.