egg beater; egg whisk
A kitchen tool used to beat or whisk eggs, often a rotary hand mixer or a simple whisk.
Beat the egg whites firmly with an egg beater.
A general whisk or beater, not limited to eggs. 卵泡立て器 specifically refers to an egg beater.
An electric mixer or hand mixer, while 卵泡立て器 can be manual or electric.
Compound of 卵 (たまご, 'egg') + 泡立て器 (あわだてき, 'whisk' or 'beater'). The reading is straightforward from its components.