Monotone



noun
1.
(A level unchanging tone of voice in speaking or singing, monotony of tone, color etc) ឯកសព្ទ, ដដែលៗ (គ្មានប្រែប្រួល), សូរដដែលៗ
ENGLISH MEANING
noun
1.
A single unvaried tone or sound.
2.
The utterance of successive syllables, words, or sentences, on one unvaried key or line of pitch.