Fetus



GRE

解释

GRE 红宝书

• n. 胎儿
• ［记］ foet ( =fet胎儿) +us -> 胎儿
• ［同］ 同根词: fetology ( 胎儿学) ; feticide ( 堕胎)

Webster Collegiate

noun

• Etymology: Middle English, from Latin, act of bearing young, offspring; akin to Latin fetus newly delivered, fruitful — more at feminine
• Date: 14th century
• an unborn or unhatched vertebrate especially after attaining the basic structural plan of its kind; specifically a developing human from usually three months after conception to birth — compare embryo 1b

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