noun
burn-in; ghost image
Technical term for persistent image retention on a display, especially CRT, plasma, or OLED screens.
このモニターは焼き付きがひどくて、ずっとロゴが残っている。
This monitor has severe burn-in, and the logo remains visible all the time.
noun
Mechanical term for when moving parts (piston, bearing, etc.) become stuck due to friction, heat, or lack of lubrication.
エンジンの焼き付きを防ぐために、定期的にオイルを交換してください。
Change the oil regularly to prevent engine seizure.
Compound of 焼き (yaki, 'burning') + 付き (tsuki, 'sticking'). The literal sense of 'burning and sticking' gave rise to both the display and mechanical meanings.