Answer:
Monophonic is an ideal adjective to describe a Gregorian chant. Because a Gregorian Chan is usually monophonic, it means that it describes a melody compound of the simplest of textures, a melody that does not follow harmony and It plays one note at a time, or by the other hand, it plays the same note duplicated at the octave.
Step-by-step explanation:
A Gregorian Chan is the most important tradition of Western plainchant. it is considered a sacred song empowered by the western roman catholic church. it has been called sung bible. There are some other characteristics that identified a Gregorian chant besides being monophonic like its free meter, it can be considered a modal type of music, it is usually based on Latin liturgy and its use of Neume notation (the basic element of western and eastern systems of musical notation.