PROTONATION Antonyms

• removal of the amino radical from an amino acid or other amino compound

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

• dryness resulting from the removal of water

• depletion of bodily fluids

• the process of extracting moisture

• the process of removing magnetization

• a mental state characterized by a pessimistic sense of inadequacy and a despondent lack of activity

• a period during the 1930s when there was a worldwide economic depression and mass unemployment

• a long-term economic state characterized by unemployment and low prices and low levels of trade and investment

• a sunken or depressed geological formation

• sad feelings of gloom and inadequacy

• an air mass of lower pressure; often brings precipitation

• a state of depression and anhedonia so severe as to require clinical intervention

• a concavity in a surface produced by pressing

• angular distance below the horizon (especially of a celestial object)

• pushing down

• the process of reducing sensitivity

• a treatment for addiction to drugs or alcohol intended to remove the physiological effects of the addictive substances

• treatment for poisoning by neutralizing the toxic properties (normally a function of the liver)