词根：-corn-, -cer-
【词根含义】：角
【词根来源】：-corn-来源于拉丁语名词cornu, cornus, n(动物的角,点,突出的部分); -cer-来源于希腊语keras(动物的角)。可追溯至原始印欧语ker-(尖顶,头)。
【同源单词】：bicorn, cornea, corneous, corner, cornet
前缀：tri-
【词根含义】：三
【同源单词】：triangle, triangular, triceratops, trilingual, trilogy
词根词缀：cerato-, cerat-, kerato-, kerat-, ker-, kera-, kerat-
【来源及含义】Greek: horn, horny tissue; cornea
【同源单词】angiokeratoma, ceratodont, ceratoid, cerotid, keratalgia, keratic
词根词缀：tri-, tre-
【来源及含义】Greek > Latin: a numerical prefix meaning, three, thrice, threefold; triple; a word element for number 3
【相关词根词缀】 Cross references of word families that are related, partially or totally, to: "three, third": terce-; terti-; trigono-; trito-.