Definition of adhesion:

• the property of sticking together ( as of glue and wood) or the joining of surfaces of different composition
• faithful support for a religion or cause or political party
• a fibrous band of scar tissue that binds together normally separate anatomical structures
• The action of sticking; the state of being attached; intimate union; as, the adhesion of glue, or of parts united by growth, cement, or the like.
• Adherence; steady or firm attachment; fidelity; as, adhesion to error, to a policy.
• Agreement to adhere; concurrence; assent.
• The molecular attraction exerted between bodies in contact. See Cohesion.
• Union of surface, normally separate, by the formation of new tissue resulting from an inflammatory process.
• The union of parts which are separate in other plants, or in younger states of the same plant.
• The state or act of being stuck together, united, or attached; firmness in opinion.
• 1. The process of adhering or uniting of two surfaces or parts, especially the union of the opposing surfaces of a wound. 2. In dentistry, the mode in which an upper denture is held in place without vacuum- chambers. 3. In the plural, bands of more or less organized fibrinous exudate thrown out on the surface of a serous membrane and connecting the opposing surfaces.
• Joining of surfaces.
• The act of adhering or sticking to: steady attachment.
• Act or state of adhering.
• The act or state of adhering; adherence; steady attachment; the tendency of two surfaces to remain attached when in contact.
• Applied to matter- the act of sticking to; a union of parts of any body by means of cement, glue, growth, & c.; steady attachment.
• Condition of being united to, or separate from, one another, elements of a whorl.
• [ Latin] Condition of touching without growing together of parts normally separate, as between members of different series of floral leaves; cf. cohesion.

Usage examples for adhesion

1. The relative conservatism of women- their greater adhesion to established ideas and practices- is manifest in many civilized and semi- civilized societies.  Essays: Scientific, Political, & Speculative, Vol. I by Herbert Spencer

2. The commanders declared their adhesion to the cause of the blacks and Toussaint Breda.  The Hour and the Man An Historical Romance by Harriet Martineau

3. For when we effectively observe the law, with true moral adhesion and in thorough sincerity, the law becomes part of ourselves, and our actions are the direct results of our convictions,- of the necessity of our convictions.  The Reform of Education by Giovanni Gentile

4. On the top of the motor- bus a student of war was explaining to an ignorant friend that the active adhesion of Japan, just announced, meant the beginning of the end for Germany.  The Roll-Call by Arnold Bennett