Definition from Wiktionary, the free dictionary
deficience (plural deficiences)
- (obsolete) deficiency
1825, Samuel Johnson, The Works of Samuel Johnson, LL.D. in Nine Volumes:
- Whoever has the care of instructing others, may be charged with deficience in his duty if this book is not recommended.
1667, John Milton, Paradise Lost:
- Thou in thyself art perfect, and in thee Is no deficience found: Not so is Man, But in degree; the cause of his desire By conversation with his like to help Or solace his defects.