hydr(o)- 水,氢 (<希>hydor 水)
1) hydrocele (hydro-+-cele) n. (淋巴)水囊肿
2) hydrochloride (hydro-+ chloride) n. 氢氯化物,盐酸化物
3) hydronephrosis (hydro-+ nephr- + -osis) n. 肾盂积水