| CHORDOTOMY | • chordotomy n. (Surgery) Alternative spelling of cordotomy. • CHORDOTOMY n. the surgical division of a bundle of nerve fibres in the spinal cord, also CORDOTOMY. |
| CLARICHORD | • clarichord n. An old musical instrument in the form of a spinet; the manichord or clavichord. • CLARICHORD n. an old keyboard stringed instrument in which the tangent striking the string and producing the sound also determines the vibrating length, also CLAVICHORD. |
| CLAVICHORD | • clavichord n. (Music) An early keyboard instrument producing a soft sound by means of metal blades (called tangents)… • CLAVICHORD n. an old keyboard stringed instrument, also CLARICHORD. |
| DECACHORDS | • decachords n. Plural of decachord. • DECACHORD n. an old ten-stringed musical instrument. |
| HEPTACHORD | • heptachord n. (Music) A system of seven sounds. • heptachord n. (Music) A lyre with seven chords. • heptachord n. (Poetry) A composition sung to the sound of seven chords or tones. |
| HEXACHORDS | • hexachords n. Plural of hexachord. • HEXACHORD n. a series of six notes, with a semitone between the third and fourth, the other intervals being whole tones. |
| MONOCHORDS | • monochords n. Plural of monochord. • MONOCHORD n. a musical instrument having only one string. |
| NOTOCHORDS | • notochords n. Plural of notochord. • NOTOCHORD n. a backbone-like series of cells in the lowest vertebrates. |
| OCTACHORDS | • octachords n. Plural of octachord. • OCTACHORD n. an instrument of eight strings; a system of eight tones. |
| PENTACHORD | • pentachord n. (Music) Five notes (pitch classes) in a scale. • pentachord n. A musical instrument with five strings. • PENTACHORD n. an ancient musical instrument with five strings. |
| RHEOCHORDS | • rheochords n. Plural of rheochord. • RHEOCHORD n. a wire rheostat, a metallic wire used for regulating the resistance of a circuit, also RHEOCORD. |
| TETRACHORD | • tetrachord n. (Music) Any set of four different pitch classes. • tetrachord n. (Music) A series of four sounds, forming a scale of two-and-a-half tones. • TETRACHORD n. a series of four sounds, forming a scale of two tones and a half. |
| UROCHORDAL | • urochordal adj. (Zoology) Of or pertaining to the Urochorda. • UROCHORDAL adj. of or pertaining to the Urochorda, tunicates. |