The rubbing of one object or surface against another.
A force that resists the relative motion or tendency to such motion of two bodies in contact.
(Second Sino-Japanese War) Conflict, as between the Communists and non-Hanjian Kuomintang forces.
Conflict, as between persons having dissimilar ideas or interests; clash.
A literary work which brings together or arranges systematically parallel passages of historians respecting the same events, and shows their agreement or consistency.
A pleasing combination of elements, or arrangement of sounds.
The relationship between two distinct musical pitches (musical pitches being frequencies of vibration which produce audible sound) played simultaneously.
The academic study of chords.
Agreement or accord.
Two or more notes played simultaneously to produce a chord.