verb (used with object), fer·ti·lized, fer·ti·liz·ing.
- to render (the female gamete) capable of development by uniting it with the male gamete.
- to fecundate or impregnate (an animal or plant).
Examples from the Web for unfertilized
The light rainfall, high temperatures, and unfertilized soil will forever keep nine tenths of Australia under grass.
There are species of gall-fly in which males are unknown, the unfertilized eggs always developing into females.
After fertilization the flower droops, to be out of the way of the bees in their visits to the unfertilized blossoms.Wayside and Woodland Trees|Edward Step
In two Lepidopterous genera (Psyche and Solenobia) the unfertilized ova give rise mainly, if not entirely, to females.The Works of Francis Maitland Balfour, Volume II (of 4)|Francis Maitland Balfour
In other words, the fertilized egg is retained within the body, while the unfertilized one is cast off.Treatise on the Diseases of Women|Lydia E. Pinkham