monotonic
/ˌmɒnəˈtɒnɪk/adjective
1
- Mathematics (of a function or quantity) varying in such a way that it either never decreases or never increases【数】（函数, 量）单调的。
2
- speaking or uttered with an unchanging pitch or tone单调的; 语音语调无变化的：
her dour, monotonic husband.
她那阴郁、语调沉闷的丈夫。
派生词