decrescent

Etymology
From, from , present participle of.

Adjective

 * 1) Becoming gradually less; diminishing.
 * 2) Waning.
 * a decrescent moon

Noun



 * 1)  A crescent oriented with horns turned to sinister (pointing to the viewer's right).

Antonyms

 * increscent

Coordinate terms

 * in decrement