inflection

modulation of the voice; change in pitch or tone of voice.

Grammar.��Also

1. the process or device of adding affixes to or changing the shape of a base to give it a different syntactic function without changing its form class.

2. the paradigm of a word.

3. a single pattern of formation of a paradigm.

   noun inflection; verb inflection.

4. the change in the shape of a word, generally by affixation, by means of which a change of meaning or relationship to some other word or group of words is indicated.

5. the affix added to produce this change, as the -s in dogs or the -ed in played.

6. the systematic description of such processes in a given language, as in serves from serve, sings from sing, and harder from hard (derivation ).

a bend or angle.

Mathematics.��a change of curvature from convex to concave or vice versa.