adhesion

noun
ad·​he·​sion | \ad-ˈhē-zhən, əd-\

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

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Other Words from adhesion

adhesional \ -​ˈhēzh-​nəl , -​ˈhē-​zhə-​nᵊl \ adjective

Examples of adhesion in a Sentence

the adhesion of the coating the adhesion of the mud to my shoes

Recent Examples on the Web

During surgery, the lesions and adhesions were removed. Sarah Hosseini, Good Housekeeping, "Just Because You Can't See My Endometriosis Doesn't Mean It's Not There," 12 Mar. 2016 Occasionally, these adhesions can block the intestines and require additional surgery. Amanda Macmillan, Health.com, "12 Reasons You Might Have Cramps That Have Nothing to Do With Your Period," 27 Mar. 2018 The absorption process is also aided by adhesion (the attraction between different types of molecules). Ben Finio, Scientific American, "Walking Water," 3 May 2018 Pulling apart Oreo cookie models to learn about adhesion versus cohesion. Greg Burnett, cleveland.com, "Science center show all about sticky science and more," 20 Apr. 2018 Nurse ended up using some massage techniques designed to break up scar tissue, or adhesions, in my calf. Cassie Shortsleeve, SELF, "5 Surprising Things I Learned Training for My First Marathon," 1 Apr. 2018 Scar tissue that causes pain or interferes with organ function is also known as an abdominal adhesion. Amanda Macmillan, Health.com, "12 Reasons You Might Have Cramps That Have Nothing to Do With Your Period," 27 Mar. 2018 In an experiment, Jiaxing Huang, a materials scientist at Northwestern University and author of the study, used a graphene solution that included water, vitamin C and an adhesion polymer to coat platinum blond hair samples and wigs. Julissa Treviño, Smithsonian, "Graphene Hair Dye Is Gentle on Your Locks. But Is It Safe?," 21 Mar. 2018 The human versions of these genes are involved in processes including cell division, migration, and adhesion, as well as commitment to a specialized state. Diana Gitig, Ars Technica, "Odd vertebrate gets rid of hundreds of genes early in development," 28 Jan. 2018

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.

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First Known Use of adhesion

15th century, in the meaning defined at sense 1

History and Etymology for 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)

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Time Traveler for adhesion

The first known use of adhesion was in the 15th century

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More Definitions for adhesion

adhesion

noun

English Language Learners Definition of adhesion

: 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

noun
ad·​he·​sion | \ad-ˈhē-zhən \

Kids Definition of adhesion

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

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)

2a : 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 sense 2

Other Words from adhesion

adhesional \ -​ˈhēzh-​nəl, -​ˈhē-​zhən-​ᵊl \ adjective

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