D defs.my
Entry 1 sense Webster, 1913

Irrefrangible

· Ir·re·fran·gi·ble · IPA /ˌɪɹɪˈfɹænd͡ʒəbəl/
01 a. Not refrangible; that can not be refracted in passing from one medium to another.
  1. 1.
    Not refrangible; that can not be refracted in passing from one medium to another.