词根词缀：acies-, aci-, acicul-

【来源及含义】Latin: a sharp edge or point; mental acuity, sharpness of vision

【相关词根词缀】 Cross references of word families that are related directly, or indirectly, to: "sour, sharp": acerb-; aceto-; acid-; acuto- (not "sour"); oxy-; pung- (not "sour").

【同源单词】acicula, acicular, acicular ice, acicularity, acicularly, aciculate

词根词缀：acuto-, acut-, acuti-, acu-, -cusis; also, agu-

【来源及含义】Latin: sharp, to sharpen, point; needle, pin

【相关词根词缀】 Cross references of word families that are related directly, or indirectly, to: "sour, sharp": acerb-; aceto-; acid-; acies- (not "sour"); oxy-; pung- (not "sour").

【同源单词】acicula, acicular, acicular ice, aciculate, aciculate, aciculiform

词根词缀：form-, -form, forma-, format-

【来源及含义】Latin: shape, structure, figure, outer appearance, composition, to compose; visual appearance; spacial arrangement; to develop or to acquire; to produce

【相关词根词缀】 Inter-related cross references, directly or indirectly, involving word units dealing with "form, shape, appearance": eido-; figur-; icono-; ideo-; imag-; morpho-; -oid; typo-.

【同源单词】acariform, Acariformes, Accipitriformes, aciculiform, aciform, acinaciform