definition of
inflection

[1] #1 inflection n. [inflexion] a change in the form of a word (usually by adding a suffix) to indicate a change in its grammatical function. wn

[2] #2 inflection n. [prosody] the patterns of stress and intonation in a language. wn

[3] #3 inflection n. [flection, flexion] deviation from a straight or normal course. wn

[4] #4 inflection n. [modulation] a manner of speaking in which the loudness or pitch or tone of the voice is modified. wn