early 15c., from Middle French defect and directly from Latin defectus "failure, revolt, falling away," noun use of past participle of deficere "to fail, desert" (see deficient).
defect (v.)
1570s, from Latin defectus, past participle of deficere "to fail, desert" (see defect (n.)). Related: Defected; defecting.
例文
1. Stammering is probably an inherited defect .
口食いは遺伝的欠陥である可能性が高い。
2.a defect in the glass
グラスの欠陥
3.The defect in the drainage must be remedied.
この排水システムの欠陥を何とかして補うべきだ。
4.He has a congenital heart defect .
先天性心臓欠陥を持っている。
5.For a child to be born with this disability indicates a defect in obsteric care.