decreasing; lessening; waning: said esp. of the moon in its final quarter
Origin of decrescentClassical Latin decrescens, present participle of decrescere, decrease
Becoming gradually less; waning.
Origin of decrescentLatin dēcrēscēns dēcrēscent- present participle of dēcrēscere to decrease ; see decrease .
(comparative more decrescent, superlative most decrescent)
From decressant, from Anglo-Norman, present participle of decrestre (“to decrease”)