the world > life > biology > biological processes > procreation or reproduction > types of reproduction > [noun] > viviparity
viviparousness1855
viviparity1864
viviparism1876
vivipary1900
1855 H. SpencerPrinc. Psychol.iv. vii. 575 Creatures having large brains were seen to have other characteristics than that of intelligence: as..viviparousness.