Definition of "cohesion" []

• The act, process, or condition of cohering: exhibited strong cohesion in the family unit. (noun)
• Physics The intermolecular attraction by which the elements of a body are held together. (noun)
• Botany The congenital union of parts of the same kind, such as a calyx of five united sepals. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Following Augustin Pyranius De Candolle, botanists have applied the term cohesion to the coalescence of parts of the same organ or of members of the same whorl; for instance, to the union of the sepals in a gamosepalous calyx, or of the petals in a gamopetalous corolla."
• "Until recently, the term cohesion had but one special meaning to dentists, and that as applied to gold for filling teeth; being understood as the property by which layers of this metal could be united without force so as to be inseparable."
• "After a twenty year study of immigrant families in Roseto, and a comparable study in a nearby, non-immigrant town, they found that health and welfare were dependent on what they called cohesion, the opposite of isolation and the antithesis of distrust."