Definitions

1. adjective

relating to or resembling a condition characterized by the partial closure of an opening or a cavity, especially of the ear or nose

“The doctor specialized in atresic cases, helping patients with congenital hearing impairments.”

2. noun

a congenital or acquired condition characterized by the partial closure of an opening or a cavity, especially of the ear or nose

“The atresic condition in her left ear left her with permanent hearing loss.”