If a product contains bleach (peroxide), it will whiten your teeth. But not all treatments are created equal. It's the concentration or percent of hydrogen peroxide a teeth-whitening system contains and the amount of time it's in contact with your teeth that determines its effectiveness.
Definition of fecund - producing or capable of producing an abundance of offspring or new growth; highly fertile Definition of fecund - producing or capable of producing an abundance of offspring or new growth; highly fertile
Sociology Index. Fecundity refers to the potential number of children a woman can have. Fertility rate, on the other hand, refers to the actual number of children a woman has. Fecundity is the reproductive capacity; the maximum number of live births calculated to be possible in a given population. Fecundity can also mean the capacity for making productive or fertile.