13-Letter Words Containing: _,A,C,O,R,T,X

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

• The fused head and thorax of spiders and crustaceans

• lose a carboxyl group

• remove a carboxyl group from (a chemical compound)

• To form a carboxyl group by introduction of carbon dioxide

• To react with a carboxylic acid

• clear out the chest and lungs

• discharge (phlegm or sputum) from the lungs and out of the mouth

• the process of coughing up and spitting out

• the act of spitting (forcefully expelling saliva)

• a state of acute pain

• the infliction of extremely painful punishment or suffering