Entertainment / Music / Monophonic: Single-line texture, or melody without accompaniment.
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Science / Geology / Texture: The visible characteristics of a rock which include its grain size, grain orientation, rounding, angularity or presence of vesicles. MORE
Entertainment / Music / Polyphonic: Two or more melodic lines combined into a multivoiced texture, as distinct from monophonic. MORE
Entertainment / Music / Gregorian Chant: Monophonic melody with a freely flowing, unmeasured vocal line: liturgical chant of the Roman Catholic Church. Also plainchant or plainsong. MORE