In-flĕc'tion, n.
[Lat. inflexio, Fr. & Sp. inflexion, It. inflessione. See supra.]
Sense 1. The act of inflecting, or the state of being inflected.
Sense 2. A bend; a fold.
Sense 3. A slide or modulation of the voice in speaking.
Sense 4. (Gram.) The variation of nouns, &c., by declension, and verbs by conjugation.
Sense 5. (Mus.) Any change or modification in the pitch or tone of the voice.
Sense 6. (Opt.) The peculiar modification or deviation which light undergoes in passing the edges of an opaque body; usually attended by the formation of colored fringes, &c.;—more commonly called diffraction.
Point of inflection (Geom.), the point on opposite sides of which a curve bends in contrary ways.