decrescent adjective & noun. [dɪ'krɛs(ǝ)nt] E17.
[Latin decrescent- pres. ppl stem of decrescere DECREASE verb: see -ENT.]
A. adjective. Decreasing; growing gradually less. Esp. of the moon: waning (in Heraldry depicted with the horns directed to the sinister side). Cf. INCRESCENT. E17.
b. noun. The waning or decrescent moon. E17.

[TahlilGaran] English Dictionary ▲