Definition of reflectant in US English:

reflectant

adjective

  • That reflects light; reflecting.

noun

  • A thing that reflects light or something else.

Origin

Mid 17th century; earliest use found in Digby's Of Bodies, & of Mans Soul. From reflect + -ant, probably as alteration of reflectent.

Pronunciation

reflectant

/rɪˈflɛkt(ə)nt/