— decremental /dek'reuh men"tl/ , adj.
/dek"reuh meuhnt/ , n.
1. the act or process of decreasing; gradual reduction.
2. the amount lost by reduction.
3. Math. a negative increment.
4. Physics. the ratio of amplitudes of a damped harmonic motion in the course of two successive oscillations.
[ 1475-85; decrementum, equiv. to decre ( tus ) (see DECREASE) + -mentum -MENT ]