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Related to Dispersion Medium: dispersed phase
dispersion medium[də′spər·zhən ‚mēd·ē·əm]
a continuous phase (body) in whose volume another (dispersed) phase is distributed in the form of small solid particles, droplets of liquid, or bubbles of gas. A dispersion medium may be solid, liquid, or gaseous; it forms disperse systems in combination with the dispersed phase.