noun
electric hot water dispenser
A countertop appliance that boils water and keeps it hot for dispensing, common in Japanese kitchens. Often contrasted with 電気ポット, which may refer to a simpler electric kettle.
See also: 電気ポット
新しい電気ジャーポットでお湯を沸かした。
I boiled water with the new electric hot water dispenser.
電気ポット is a broader term for electric kettles or pots, while 電気ジャーポット specifically refers to a dispenser-type appliance that keeps water hot and dispenses it by pressing a button.
Compound of 電気 (electric) and ジャーポット (jar pot), a wasei-eigo term combining 'jar' and 'pot' to describe a pot-like container for hot water.