Browse Dictionary by Letter

Comprehensive
Dictionary Suite
Help
Help
Help
A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z
aeon variant of eon.
aeonian lasting forever; eternal.
aerate to expose to the circulation or chemical action of air in order to ventilate or cleanse. [3 definitions]
aerator a device that aerates a fluid or mixes it with air.
aerial of, associated with, or occurring in the air or atmosphere. [6 definitions]
aerialist one who performs on a trapeze or tightrope.
aerie a nest built high on a cliff or mountain, esp. by an eagle or other bird of prey. [2 definitions]
aero- air or atmosphere. [3 definitions]
aerobatics (used with a sing. or pl. verb) spectacular stunts, such as rolls, loops, and dives, performed by an airplane or glider.
aerobe an organism, such as a bacterium, that needs oxygen to live.
aerobic occurring or living only in the presence of oxygen. [3 definitions]
aerobics (used with a sing. or pl. verb) a system of physical conditioning involving sustained and vigorous exercise such as running, swimming, cycling, or dancing, that stimulates the heart and lungs and thereby improves the body's ability to utilize oxygen.
aerobiology a branch of biology concerned with airborne viruses, microbes, pollutants, and the like.
aerodynamic of or relating to aerodynamics. [2 definitions]
aerodynamics (used with a sing. verb) a science that deals with the dynamics of air and other gases and with the forces acting on objects that move through them.
aeroembolism nitrogen or air bubbles in the bloodstream, caused by severe decompression, surgery, or injury, and resulting in severe pain and sometimes convulsions; bends; decompression sickness; caisson disease.
aerolite a meteorite of stone rather than iron.
aerology the branch of meteorology that deals with the entire atmosphere, esp. the upper atmosphere.
aeromechanics (used with a sing. verb) the science of air or gases in motion or equilibrium.
aeronaut one who operates or travels in a balloon or airship.
aeronautics (used with a sing. verb) a science that deals with the design, operation, and navigation of aircraft.