Definition. Simply put, the definition of human fertilization is the union or joining of the egg and the sperm, resulting in a fertilized egg, otherwise known as a zygote.efinition. Simply put, the definition of human fertilization is the union or joining of the egg and the sperm, resulting in a fertilized egg, otherwise known as a zygote.
Red, the color of blood and fire, is associated with meanings of love, passion, desire, heat, longing, lust, sexuality, sensitivity, romance, joy, strength, leadership, courage, vigor, willpower, rage, anger, danger, malice, wrath, stress, action, vibrance, radiance, and determination.
Black symbolizes evil, emptiness, death, and dirtiness, but also power, dignity and strength. Since black symbolizes death, it is the color worn by many cultures in times of mourning. At the extreme opposite is white. This color symbolizes purity, sterility, innocence, and goodness, but also sterility in most cultures.