Note that the new color will typically be off-white or cream colored, not white. This isnât obvious with accidental bleach damageâthe spot looks white because it is in contrast to the original color. However, a white item held next to the discolored area will reveal the cream color.
endogenic. (geology). Of or pertaining to a geologic process, or its resulting feature such as a rock, that originated within the earth. Also known as endogenetic; endogenous. 1  Facebook. 2  Twitter.
In practice, pyrogen-free means that it has a level of pyrogens or endotoxins below a pre-defined. threshold concentration which is sometimes referred to as ânon-pyrogenic.â Pyrogens are fever-. causing materials from the cell walls of Gram-negative bacteria. Few methods of sterilization. destroy pyrogens.