marcescent definition by Webster's New World
Origin: Classical Latin marcescens, present participle of marcescere, to wither, decay ; from marcere, to wither ; from Indo-European an unverified form merk-, to grow soft, rot ; from base an unverified form mer-, to rub from source mare
marcescent definition by American Heritage Dictionary
Origin: Latin marcēscēns, marcēscent-, past participle of marcēscere, inchoative of marcēre, to wither.
marcescent - Science Definition