Parthenogenesis is a 15 letter word which starts with the letter P and ends with the letter S for which we found 2 definitions.
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(n.) The production of new individuals from virgin females by means of ova which have the power of developing without the intervention of the male element; the production without fertilization of cells capable of germination. It is one of the phenomena of alternate generation. Cf. Heterogamy and Metagenesis. |
(n.) The production of seed without fertilization believed to occur through the nonsexual formation of an embryo extraneous to the embrionic vesicle. |