Component

Com*po"nent, n. A constituent part; an ingredient.

Component of force (Mech.), a force which, acting conjointly with one or more forces, produces the effect of a single force or resultant; one of a number of forces into which a single force may be resolved.

Com*po"nent (kŏm*pō"nent), a. [L. componens, p. pr. of componere. See Compound, v. t.] Serving, or helping, to form; composing; constituting; constituent.

The component parts of natural bodies.
Sir I. Newton.