adhesion

noun ad·he·sion \ ad-ˈhē-zhən , əd- \
Updated on: 15 Nov 2017

Definition of adhesion

1 :steady or firm attachment :adherence
2 :the action or state of adhering
3 :the abnormal union of separate tissue surfaces by new fibrous tissue resulting from an inflammatory process; also :the newly formed uniting tissue
4 :agreement to join
  • adhesion of all nations to a copyright convention
5 :the molecular attraction exerted between the surfaces of bodies in contact

adhesional

play \-ˈhēzh-nəl, -ˈhē-zhə-nᵊl\ adjective

Examples of adhesion in a Sentence

  1. the adhesion of the coating

  2. the adhesion of the mud to my shoes

Recent Examples of adhesion from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'adhesion.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of adhesion

borrowed from French or Latin; French adhésion, going back to Middle French, borrowed from Latin adhaesiōn-, adhaesiō, from adhaes-, variant stem of adhaerēre "to adhere" + -tiōn-, -tiō, suffix of action nouns (expected *adhaestiō presumably simplified to adhaesiō by analogy)


ADHESION Defined for English Language Learners

adhesion

noun

Definition of adhesion for English Language Learners

  • : the act of adhering; especially : the act of sticking or attaching to something

  • medical : a condition in which body tissues that are supposed to be separate grow together because of swelling after surgery


ADHESION Defined for Kids

adhesion

noun ad·he·sion \ ad-ˈhē-zhən \

Definition of adhesion for Students

:the act or state of sticking
  • They tested the adhesion of the paint to the wall.

Medical Dictionary

adhesion

noun ad·he·sion \ ad-ˈhē-zhən, əd- \

medical Definition of adhesion

1 :the action or state of adhering; specifically :a sticking together of substances (as of glue and wood or of parts united by growth)
2 a :the abnormal union of surfaces normally separate by the formation of new fibrous tissue resulting from an inflammatory process; also :the newly formed uniting tissue
  • pleural adhesions
b :the union of wound edges especially by first intention
3 :the molecular attraction exerted between the surfaces of bodies in contact — compare cohesion 2

adhesional

play \-ˈhēzh-nəl, -ˈhē-zhən-ᵊl\ adjective


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