凝集 Traditional form: 凝集 Pinyin (reading): níngjí Definitions: to concentrate to gather (biology) to agglutinate Characters: 凝 - to coagulate, to congeal; to freeze 集 - to gather, to collect; set, collection Traditional characters: 凝 - to coagulate, to congeal; to freeze 集 - to gather, to collect; set, collection