內積 Save Sign in to save words Simplified: 内积 nèijī ㄋㄟˋ ㄐㄧ inner product (in Euclidean space) dot product math. Character by character 內(nèi)inside 積(jī)amass Other words read nèijī neiji with other tones 內急 Often confused with neiji 累計 累積 雷擊 累及 A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0