mon·o·chord 
(mŏnə-kôrd′)
(mŏnə-kôrd′)n.
An acoustic instrument consisting of a sounding box with one string and a movable bridge, used to study musical tones.
[Middle English monocorde, from Old French, from Medieval Latin monochordum, from Greek monokhordon : mono-, mono- + khordē, string; see CORD.]
- polyanthus
- polyaramid fiber
- polyatomic
- polybasic
- polybasite
- Polybius
- polycarbonate
- Polycarp
- polycarpic
- polycarpous
- polycarpy
- polycentric
- polycentrism
- polychaete
- polychaetous
- polychlorinated biphenyl
- polychromatic
- polychromatophile
- polychromatophilia
- polychromatophilic
- polychrome
- polychromic
- polychromophilia
- polychromous
- polychromy