| 释义 |
previable, a.|priːˈvaɪəb(ə)l|
[pre- B. 1.]
Before the stage when a fœtus has developed sufficiently to survive outside the womb.
1910F. J. Taussig Prevention & Treatm. Abortion 2 Abortion is the pre-viable expulsion of the human ovum. 1936― Abortion iv. 81 The previable stage of pregnancy. 1945Jrnl. Obstetr. & Gynæcol. LII. 35/1 The term ‘pre-viable’ has been proposed for the separate category of liveborn premature infants with a birth-weight of less than 23/4 pounds. 1972Daily Tel. 24 May 17/4 Research on pre-viable foetuses (those which may show some signs of life, but which have no hope of an independent existence) should be safeguarded further by limiting such work only to foetuses weighing less than 300 grammes (about two-thirds of a pound). 1978Church Times 7 July 12/5 Difficult questions also arise over baptism, when a fully formed but pre-viable foetus is delivered by a legally procured abortion, still living but inevitably destined to die. |