ovulation
— Noun
– English
~ the expulsion of an ovum from the ovary (usually midway in the menstrual cycle)
ovulation method
— Noun
– English
~ natural family planning in which the fertile period is inferred from changes in the character and quantity of cervical mucus; ovulation is marked by an increase in mucus that becomes sticky and then clearer and slippery
orthotropous ovule
— Noun
– English
~ a completely straight ovule with the micropyle at the apex
ovule
— Noun
– English
~ a small body that contains the female germ cell of a plant; develops into a seed after fertilization