early 15c., "want or lack of anything," especially lack of something essential to perfection or completeness, from Old French defect and directly from Latin defectus "failure, revolt, falling away," noun use of past participle of deficere "to fail, desert," from de "down, away" (see de-) + combining form of facere "to do, make" (from PIE root *dhe- "to set, put").
defect (v.)
1570s, "to hurt, damage;" 1580s, "fail become deficient" (senses now obsolete); 1590s, "to desert, revolt," from Latin defectus, past participle of deficere "to fail, desert," from de "down, away" (see de-) + combining form of facere "to do, make" (from PIE root *dhe- "to set, put"). Related: Defected; defecting.
this device permits detection of defects in the lungs
visual defects
that interpretation is an unfortunate defect of our lack of information
if there are any defects you should send it back to the manufacturer
defeat
defeatism
defeatist
defecate
defecation
defect
defection
defective
defector
defeminize
defence
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