词根词缀：angle, angu-

【来源及含义】Latin: a corner, a bend

【同源单词】acutangular, acute angle, angle, angle, angular, angularly

词根词缀：septi-, sept-, septem-

【来源及含义】Latin: seven, seventh; a word element for number 7

【同源单词】septangle, septangular, septarch, septarchy, septave, September

词根词缀：-ular

【来源及含义】Latin: of, relating to, or resembling; compound of the suffixes -ule, "little, small" and -ar, "pertaining to, of the nature of, like"; and so, -ular is a combining form meaning: referring to something "specified": appendicular, molecular, pedicular; as well as, a combining form meaning "resembling" something specified: circular, globular, tubular

【同源单词】abarticular, acellular, acicular ice, acinotubular, acromioclavicular, acutangular