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
The Mexican Cession (529,000 sq. miles) was the third largest acquisition of territory in US history. The largest was the Louisiana Purchase, with some 820,000 sq. miles, followed by the acquisition of Alaska (about 586,000 sq. miles).