15-Letter Words Containing: A,A,C,E,T,X

• the process of making a word to express a concept

• the quality of being capable of exchange or interchange

• The fused head and thorax of spiders and crustaceans

• extinct primitive toothed bird of the Jurassic period having a long feathered tail and hollow bones; usually considered the most primitive of all birds

• To remove one or more carboxyl groups from a molecule

• the process of removing a carboxyl group from a chemical compound (usually replacing it with hydrogen)