词根词缀：centro-, centr-, centri-, kentro-

【来源及含义】Greek > Latin: center; middle point, mid point; focus, focal point, focalize; zero in on

【相关描述】This element originally meant "sharp point, goad" or "spur".

【同源单词】acentric, acentric, acrocentric, allocentric, ambulatory surgery center, amphicentric

词根词缀：-ity

【来源及含义】Latin: suffix used to form abstract nouns expressing act, state, quality, property, or condition corresponding to an adjective

【同源单词】abnormality, absorbability, acclivity, acerbity, acridity, acrity

词根词缀：poly-

【来源及含义】Greek: many, much; excessive; abnormal amount, profuse, ample, large quantity; multiple, abundant, numerous

【相关描述】Don’t confuse this poly- with another -poly which means “to sell”.

【相关词根词缀】 Inter-related cross references, directly or indirectly, involving word units meaning "more, plentiful, fullness, excessive, over flowing": copi-; exuber-; hyper-; multi-; opulen-; ple-; pleio-; plethor-; super-; total-; ultra-; undu-.

【同源单词】acrocephalopolysyndactyly, Andra moi ennepe mousa polytropon hos malapolla planchthe, electrodiaphanoscope, fibrous dysplasia, hyperpolysyllabicomania, hyperpolysyllabicsesquipedalianist