欠陥は英語で
defect

英語の定義

欠陥
1. n. defect

defect
1. n. A fault or malfunction.
a defect in the ear or eye; a defect in timber or iron; a defect of memory or judgment
2. n. The quantity or amount by which anything falls short.
3. n. (math) A part by which a figure or quantity is wanting or deficient.
4. v. (intransitive) To abandon or turn against; to cease or change one's loyalty, especially from a military organisation or political party.
5. v. (military) To desert one's army, to flee from combat.
6. v. (military) To join the enemy army.
7. v. (law) To flee one's country and seek asylum.

fault
1. n. A defect; something that detracts from perfection.
2. n. A mistake or error.
No!. This is my fault, not yours
3. n. A weakness of character; a failing.
For all her faults, she's a good person at heart.
4. n. A minor offense.
5. n. Blame; the responsibility for a mistake.
The fault lies with you.
6. n. (seismology) A fracture in a rock formation causing a discontinuity.
7. n. (mining) In coal seams, coal rendered worthless by impurities in the seam.
slate fault, dirt fault, etc.
8. n. (tennis) An illegal serve.
9. n. (electrical) An abnormal connection in a circuit.
10. n. (obsolete) want; lack
11. n. (hunting) A lost scent; act of losing the scent.
12. v. To criticize, blame or find fault with something or someone.
13. v. (intransitive, geology) To fracture.
14. v. (intransitive) To commit a mistake or error.
15. v. (intransitive, computing) To undergo a page fault.