点积

点积	diǎn jī	dot product (math.)
点	diǎn	point / dot / drop / speck / o'clock / point (in space or time) / to draw a dot / to check on a list / to choose / to order (food in a restaurant) / to touch briefly / to hint / to light / to ignite / to pour a liquid drop by drop / (old) one fifth of a two-hour watch 更 / dot stroke in Chinese characters / classifier for items
积	jī	to amass; to accumulate; to store up / (math.) product (the result of multiplication) / (TCM) constipation; indigestion