inflection
/ɪnˈflekʃən/( <主英> 亦作inflexion)
noun
1
- Grammar a change in the form of a word (typically the ending) to express a grammatical function or attribute such as tense, mood, person, number, case, and gender【语法】（词, 尤指词尾的）屈折变化。
1.1
- mass noun the process or practice of inflecting words（词的）屈折变化过程（或实践）。
2
- mass noun the modulation of intonation or pitch in the voice（声调的）抑扬：
she spoke slowly and without inflection
她说得很慢, 声调没有抑扬变化
count noun the variety of his vocal inflections.他嗓音的抑扬变化。
2.1
- the variation of the pitch of a musical note变音; 转调。
3
- chiefly Mathematics a change of curvature from convex to concave at a particular point on a curve【主数】拐折, 回折; 拐点, 回折点。
派生词
inflectional
adjectiveinflectionally
adverbinflectionless
adjective词源
late Middle English （in the sense 'the action of bending inwards'）: from Latin inflexio（n-）, from the verb inflectere 'bend in, curve' （see INFLECT）.