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
Chambers 20th Century Dictionary(0.00 / 0 votes)Rate this definition: Fecund. fekâ²und, adj. fruitful: fertile: prolific.âv.t. Fecâ²undÄte, Fecundâ²Äte, to make fruitful: to impregnate.âns. FecundÄâ²tion, the act of impregnating: the state of being impregnated; Fecundâ²ity, fruitfulness: prolificness in female animals.