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：hyper-, hyp-

【来源及含义】Greek: above, over; excessive; more than normal; abnormal excess [in medicine]; abnormally great or powerful sensation [in physical or pathological terms]; highest [in chemical compounds]

【相关词根词缀】 Related "above, over, beyond the normal, excessive" word units: epi-; super-, supra-, sur; ultra-, ult-. Inter-related cross references, directly or indirectly, involving word units meaning "more, plentiful, fullness, excessive, over flowing": copi-; exuber-; multi-; opulen-; ple-; pleio-; plethor-; poly-; super-; total-; ultra-; undu-.

【同源单词】acrohyperhidrosis, adenohypersthenia, alcoholemia, angiohypertonia, auditory hyperesthesia, bathyhyperesthesia

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