What is Adhesion in Biology? PDF Book

Learn Adhesion definition in biology with explanation to study “What is Adhesion”. Study adhesion explanation with biology terms to review biology course for online degree programs.

Adhesion Definition

  • Adhesion is the clinging of one substance to another.

    Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson

Adhesion Explanation

Adhesion is the ability to adhere to a surface. It can also be described as union of two different surfaces for example when the water molecule spreads over glass it happens due to adhesion. Adhesion is the tendency of dissimilar particles or surfaces to cling to one another. This is different from cohesion which refers to the tendency of similar or identical particles/surfaces to cling to one another. The forces that cause adhesion and cohesion can be divided into several types. The intermolecular forces responsible for the function of various kinds of stickers and sticky tape fall into the categories of chemical adhesion, dispersive adhesion, and diffusive adhesion. In addition to the cumulative magnitudes of these intermolecular forces, there are also certain emergent mechanical effects.

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