becoming red; specif., blushing or flushing
Origin of rubescentClassical Latin rubescens, present participle of rubescere, to grow red ; from rubere, to redden ; from ruber, red
Turning red; reddening.
Origin of rubescentLatin rubēscēns, rubēscent-, present participle of rubēscere, to grow red, inchoative of rubēre, to be red; see reudh- in Indo-European roots.
Attested since at least 1730, from Latin rubescens, present participle of rubescere.