microbubble

About 0.03 uses per million words.

Meaning

1. noun A microscale bubble, used in medical diagnostics as a contrast agent for ultrasound imaging.

Similar words

microballoon microimage microangiography macrobubble microtool nanobubble microplasma microchamber microdroplet minibubble

Often followed by

contrast injection destruction concentration formation agents is size ultrasound