Nanoparticles also have different properties to the same substance in normal-sized pieces. For example, titanium dioxide is a white solid used in house paint and certain sweet-coated chocolates. Titanium dioxide nanoparticles are so small they do not reflect visible light, so cannot be seen.
legal Definition of cession 1: an act of ceding : a yielding (as of property) to another: as a in the civil law of Louisiana: assignment or transfer of property rights by a debtor to a creditor
Verb. 1. certify-provide evidence for; stand as proof of; show by one's behavior, attitude, or external attributes; His high fever attested to his illness; The buildings in Rome manifest a high level of architectural sophistication; This decision demonstrates his sense of fairness.