Meaning of deleterial in English:

deleterial

Pronunciation /ˌdɛlɪˈtɪərɪəl/

See synonyms for deleterial

adjective

rare
  • Harmful, damaging; noxious; = "deleterious".

Origin

Early 17th century; earliest use found in Tobias Venner (1577–1660), physician and medical writer. From post-classical Latin deleterius deletery + -al.