Meaning of Words That Start with a Part One

Annelid an animal such as a worm or leech.

Anorexia an illness characterized by a refusal to eat because of an obsessive desire to lose weight.

Antacid a substance that relieves the pain and discomfort of excess acidity in the stomach.

Anther the structure at the tip of the stamen that contains the pollen sacs.

Anthrax fatal disease of sheep and cattle that can be transmitted to humans.

Antibiotic a substance that is produced by derived from a microorganism and that can destroy or inhibit bacteria and fungi.

Antigen something that stimulates the body is immune system to produce antibodies.

Antiknock a substance added to gasoline in order to reduce knocking.

Antimatter a substance composes entirely of antiparticles.

Antimony a brittle bluish-white metal that is added to lead alloys to increase their hardness.

Antioxidant a substance that slows down the oxidation of other substances.

Antiparticle an elementary particle that has the same mass and spin as another elementary particle, but opposite electrical and magnetic properties.

Antiperspirant a substance applied to the skin to lessen perspiration.

Antipyretic a drug that reduces fever.

Antiseptic a substance or drug that kills germs.

Anus the opening at the end of the alimentary canal between the buttocks.

Apartheid an official policy of racial segregation as once practiced in South Africa.

Apocrypha books of the Bible excluded from modern protestant Bibles but included in Roman Catholic and Orthodox Bibles.

Apogee the point in the orbit of the moon or an artificial satellite around Earth when it is at is greatest distance from Earth.

Appliqué decoration for clothes in which material is cut into shapes that are sewn on to the clothes, to make patterns and designs.

Arbitrage   purchase of stocks on one market followed by immediate resale on another market, in an attempt to profit on the price discrepancy.

Arithmetic the branch of mathematics that solves problems by the processes of addition, subtraction, multiplication, and division.

Artificial respiration breathing that is stimulated and maintained by a person or machine by forcing air in and out of someone’s lungs when normal spontaneous breathing has stopped.

ASCII the American Standard Code for Information Interchange, a standard for representing text characters by binary code in digital computing systems.

Assembly language a programming language that uses small sequences of letters to represent machine code programs in a form that can be easily understood by the user.

Assistant-ship a university academic position given to a student for part-time teaching and research.

Atherosclerosis a form of arteriosclerosis in which cholesterol and other substances are deposited on the inner walls of arteries obstructing the flow of blood.

Atomic bomb a powerful explosive device that derives its force from the sudden release of awesome amounts of energy during nuclear fission.

Auscultation the practice of listening with a stethoscope the sounds produced in the heart and lungs, as a method of diagnosis.

Autosuggestion a form of therapy that involves repeating ideas to oneself in order to change ideas or habits.

Average the result estimated by adding together two or more numbers and dividing the total by the number of numbers added.

Aversion therapy a form of therapy that aims to change an undesirable form of behavior by repeatedly linking it with an unpleasant feeling.

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Meaning of Words 29