Definition of DEFECT (according to Merriam-Webster)
1
a: an imperfection that impairs worth or utility : shortcoming <the grave defects in our foreign policy> b: an imperfection (as a vacancy or an unlike atom) in a crystal lattice
2
[Latin defectus]: a lack of something necessary for completeness, adequacy, or perfection : deficiency <a hearing defect>
while i do know what a defect is, i was curious as to the official definition and thought it might add some food for thought...