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anesthesiologist a doctor who specializes in anesthesiology.
anesthesiology the science, study, and practice of applying anesthetics.
anesthetic a drug that causes anesthesia in the whole body or in a localized area. [2 definitions]
anesthetist a person, usu. a doctor or nurse, trained to administer gas or drugs that cause lack of sensation or loss of consciousness.
anesthetize to render unable to perceive bodily sensations such as pain, esp. with an anesthetic.
aneurysm a dilation in a particular part of an artery caused by weakness in the vessel wall.
anew once again; afresh. [2 definitions]
a new lease on life an opportunity to live a happier life because of improved circumstances.
angary the legal right of a state or nation at war to seize, destroy, or otherwise use the property of a neutral state, provided proper compensation is made.
angel in certain theologies, a spiritual being acting as a servant or messenger of God, usu. represented as a human figure with wings and a halo. [3 definitions]
angelfish any of several types of related tropical fishes having bright colors, winglike fins, and short, circular bodies.
angel food cake a light white sponge cake made of beaten egg whites, cream of tartar, flour, and sugar.
angelic of, concerning, or consisting of an angel or angels. [2 definitions]
angelica any of several types of related plants having clusters of small flowers and a distinctive aroma, often used in cookery and medicine.
Angelus (often l.c.) a prayer recited by some Roman Catholics at morning, noon, and night in memory of the Annunciation. [2 definitions]
anger strong emotion characterized by indignation, dislike, and belligerence; rage; wrath. [4 definitions]
angerless combined form of anger.
angina a condition or disease marked by inflammation of the throat, spasmodic pain, and a sensation of suffocation. [2 definitions]
angina pectoris severe recurrent pain in the chest caused by a sudden decrease in the amount of blood flowing to the heart muscle.
angiogenesis the formation of new blood vessels.
angiogram an x-ray image of blood vessels that is taken after injecting a substance that absorbs x-rays into the blood.