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“colloids”
colloids
Very small, finely divided solids (particles that do not dissolve) that remain dispersed in a liquid for a long time due to their small size (usually less than 1 mm) and electrical charge. These particles have negligible settling velocity because their small mass have a low gravitational force compared to surface frictional forces.
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colloido-, colloid- +
(page 1)
-oid, -oidal, -oidism, -odic
(page 6)
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“colloids”
An extremely small mineral particle which can remain in suspension in water indefinitely: The colloids can be large molecules like proteins, or solid, liquid, or gaseous aggregates and the suspension is of finely divided particles in a continuous medium from which the particles do not settle out rapidly and are not readily filtered.
This entry is located in the following unit:
Geography Terms +
(page 3)