内积 Save Sign in to save words Traditional (Taiwan): 內積 nèijī ㄋㄟˋ ㄐㄧ inner product (in Euclidean space) dot product math. Character by character 内(nèi)inside 积(jī)amass Other words read nèijī neiji with other tones 内急 Often confused with neiji 累计 累积 雷击 累及 A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0