pustule
/ˈpʌstjuːl/noun
1- Medicine a small blister or pimple on the skin containing pus【医】脓疱。
1.1
- Biology a small raised spot or rounded swelling, especially one on a plant resulting from fungal infection【生】小疣突, 色点, 小疱。
派生词
pustular
adjective词源
late Middle English: from Latin pustula.