<B>aerate, </B>transitive verb, <B>-ated,</B> <B>-ating.</B><DL COMPACT><DD><B> 1. </B>to expose to and mix with air. <BR> <I>Ex. Water in some reservoirs is aerated and purified by spraying it high into the air.</I> <DD><B> 2. </B>to fill with a gas; charge or mix with gas, often under pressure. <BR> <I>Ex. Soda water is water that has been aerated with carbon dioxide.</I> <DD><B> 3. </B>to expose to chemical action with oxygen. <BR> <I>Ex. Blood is aerated in the lungs.</I> <DD><B> 4. </B>to expose to air. noun <B>aeration.</B> noun <B>aerator.</B> </DL>
<A NAME="aeratedwater">
<B>aerated water, =mineral water.</B></DL>
<A NAME="aerenchyma">
<B>aerenchyma, </B>noun.<DL COMPACT><DD> a type of tissue containing large air spaces, found especially in the stems of certain aquatic plants. </DL>
<A NAME="aereperennius">
<B>aere perennius,</B><DL COMPACT><DD> (Latin.) more lasting than bronze (from Horace's line <I>exegi monumentum re perennius,</I> "I have completed a monument more lasting than bronze"). </DL>
<A NAME="aerial">
<B>aerial, </B>noun, adjective.<DL COMPACT><DD><I>noun </I> <B>1. </B>a long wire or set of wires or rods used in radio, television, and radar for sending out or receiving electromagnetic waves; antenna. <DD><B> 2. </B>(American Football.) a forward pass. <BR> <I>Ex. Jerry Harper hit Johnny Bell with an aerial good for 50 yards and a score (New York Times).</I> <DD><I>adj. </I> <B>1a. </B>of or for aircraft; having to do with aviation in any way. <BR> <I>Ex. an aerial ferry.</I> <DD><B> b. </B>carried out by or seen from aircraft. <BR> <I>Ex. aerial farming, aerial spraying, an aerial view of the city.</I> <DD><B> 2. </B>living in the air: <DD><B> a. </B>growing in the air instead of in soil. <BR> <I>Ex. The banyan tree has aerial roots.</I> <DD><B> b. </B>floating or flying in the air. <BR> <I>Ex. Petrels are the most aerial and oceanic of birds (Charles Darwin).</I> <DD><B> 3. </B>of or having to do with the air; atmospheric. <BR> <I>Ex. aerial currents.</I> <DD><B> 4. </B>extending high into the air; lofty. <BR> <I>Ex. aerial mountains.</I> (SYN) airy. <DD><B> 5a. </B>as light as air; ethereal. <BR> <I>Ex. sweet, faint, aerial music.</I> (SYN) delicate. <DD><B> b. </B>as thin as air; unsubstantial; imaginary. <BR> <I>Ex. aerial beings, fine and aerial distinctions.</I> (SYN) immaterial. <DD><B> 6. </B>(Archaic.) consisting of air; gaseous. adv. <B>aerially.</B> noun <B>aerialness.</B> </DL>
<A NAME="aerialbar">
<B>aerial bar,</B><DL COMPACT><DD> a high trapeze, as in a circus. </DL>
<A NAME="aerialist">
<B>aerialist, </B>noun.<DL COMPACT><DD> an acrobat who performs feats on a trapeze, tightrope, or the like. </DL>
<B>aerial ladder,</B><DL COMPACT><DD> a very long ladder that can be extended, such as is used by firemen. </DL>
<A NAME="aerialmine">
<B>aerial mine,</B><DL COMPACT><DD><B> 1. </B>a mine designed to be dropped from an aircraft into water. <DD><B> 2. </B>a very heavy bomb, especially one slowed in its descent by a parachute. </DL>
<A NAME="aerialperspective">
<B>aerial perspective,</B><DL COMPACT><DD> the branch of perspective that has to do with the variations of light, shade, and color in objects that are drawn or painted according to their distances from the observer, the quantity of light falling on them, and the medium through which they are seen. </DL>
<A NAME="aerialphotograph">
<B>aerial photograph,</B><DL COMPACT><DD> a vertical or oblique photograph taken from an aircraft, for military, meteorological, or mapping purposes. </DL>
<A NAME="aerialphotography">
<B>aerial photography,</B><DL COMPACT><DD> the process or technique of taking photographs from aircraft. </DL>
<A NAME="aerialrailway">
<B>aerial railway</B> or <B>aerial tramway,</B><DL COMPACT><DD> overhead cables or rails from which a car is suspended to move persons and things across a river, canyon, or other difficult place to cross. </DL>
<A NAME="aerialrocket">
<B>aerial rocket,</B><DL COMPACT><DD> a rocket launched from an aircraft. </DL>
<A NAME="aerialsurvey">
<B>aerial survey,</B><DL COMPACT><DD> a survey of land made by means of aerial photographs. </DL>
<A NAME="aerialtanker">
<B>aerial tanker,</B><DL COMPACT><DD> an airplane used to refuel other airplanes while in the air. </DL>
<A NAME="aerialtorpedo">
<B>aerial torpedo,</B><DL COMPACT><DD> a torpedo designed to be released from a low-flying aircraft into water (no longer used). </DL>
<A NAME="aerie">
<B>aerie, </B>noun.<DL COMPACT><DD><B> 1. </B>the nest of an eagle, hawk, or other bird of prey, usually built in a lofty place. <DD><B> 2. </B>the young eagles, hawks, or other birds in such a nest. <DD><B> 3. </B>(Figurative.) a house, castle, or the like, placed high on a rock or mountainside. Also, <B>aery,</B> <B>aery,</B> <B>eyrie,</B> <B>eyry.</B> </DL>
<A NAME="aeried">
<B>aeried, </B>adjective.<DL COMPACT><DD> having an aerie or aeries. <BR> <I>Ex. an aeried crag.</I> </DL>
<A NAME="aeriferous">
<B>aeriferous, </B>adjective.<DL COMPACT><DD> conveying air. </DL>
<A NAME="aerification">
<B>aerification, </B>noun.<DL COMPACT><DD> an aerifying or being aerified, as by bubbling air through. </DL>
<A NAME="aeriform">
<B>aeriform, </B>adjective.<DL COMPACT><DD><B> 1. </B>having the form of air; gaseous. <BR> <I>Ex. substances existing in an aeriform state.</I> <DD><B> 2. </B>(Figurative.) unsubstantial; unreal. <BR> <I>Ex. aeriform figures, aeriform attainments.</I> </DL>
<A NAME="aerify">
<B>aerify, </B>transitive verb, <B>-fied,</B> <B>-fying.</B><DL COMPACT><DD><B> 1. </B>to force air into; fill with air; aerate. <DD><B> 2. </B>to convert into vapor or gas. </DL>
<A NAME="aero">
<B>aero, </B>adjective.<DL COMPACT><DD><B> 1. </B>of or having to do with aviation or flying; aeronautical. <DD><B> 2. </B>of or for aircraft. <BR> <I>Ex. ... the success of the industry in selling airliners and aero engines abroad (Observer).</I> </DL>
<A NAME="aero">
<B>aero-,</B><DL COMPACT><DD> (combining form.) <DD><B> 1. </B>air; the air; of the air. <BR> <I>Ex. Aeroplane = airplane. Aerometer = air meter.</I> <DD><B> 2. </B>atmosphere; atmospheric. <BR> <I>Ex. Aerospace = space in the atmosphere. Aerology = science of the atmosphere.</I> <DD><B> 3. </B>gas; of gas or gases. <BR> <I>Ex. Aerodynamics = dynamics of gases.</I> <DD><B> 4. </B>of or for aircraft. <BR> <I>Ex. Aerobatics = aircraft acrobatics. Aerodrome = landing field for aircraft.</I> </DL>
<A NAME="aeroallergen">
<B>aeroallergen, </B>noun.<DL COMPACT><DD> any allergen carried by the air, such as pollen or germs. </DL>
<A NAME="aerobacter">
<B>aerobacter, </B>noun.<DL COMPACT><DD> any one of a genus of aerobic bacteria that ferment sugars with the production of various acids. </DL>
<A NAME="aeroballistic">
<B>aeroballistic, </B>adjective.<DL COMPACT><DD> of or having to do with aeroballistics. </DL>
<A NAME="aeroballistics">
<B>aeroballistics, </B>noun.<DL COMPACT><DD> the study of the behavior of projectiles fired from aircraft. </DL>
<A NAME="aerobatic">
<B>aerobatic, </B>adjective.<DL COMPACT><DD> having to do with or characterized by aerobatics. </DL>
<A NAME="aerobatics">
<B>aerobatics, </B>noun.<DL COMPACT><DD><B> 1. </B>the performance of tricks or stunts with an aircraft in flight, such as loops; stunt flying. <DD><B> 2. </B>the art of performing such maneuvers. <BR> <I>Ex. The merit of aerobatics is that everything depends on the skill of the pilot; an old and slow aircraft is not a handicap and may even be an advantage (London Times).</I> </DL>
<A NAME="aerobe">
<B>aerobe, </B>noun.<DL COMPACT><DD> a microorganism, especially any of various bacteria, which can live only in the presence of oxygen. </DL>
<A NAME="aerobic">
<B>aerobic, </B>adjective.<DL COMPACT><DD><B> 1. </B>living and growing only where there is atmospheric oxygen. <BR> <I>Ex. aerobic bacteria.</I> <DD><B> 2. </B>having to do with or caused by aerobic bacteria. <DD><B> 3. </B>of or having to do with aerobics. <BR> <I>Ex. The cardinal requirement of aerobic exercise is that it must tax the person's capacity (Time).</I> adv. <B>aerobically.</B> </DL>
<A NAME="aerobics">
<B>aerobics, </B>noun.<DL COMPACT><DD><B> 1. </B>a system of exercises based on a correlation of oxygen consumption and physical fitness, and designed to promote the supply and use of oxygen by the body. <DD><B> 2. </B><B>Aerobics,</B> a trademark for this system. </DL>
<A NAME="aerobiological">
<B>aerobiological, </B>adjective.<DL COMPACT><DD> of or having to do with aerobiology. </DL>
<A NAME="aerobiologist">
<B>aerobiologist, </B>noun.<DL COMPACT><DD> a person who studies aerobiology. </DL>
<A NAME="aerobiology">
<B>aerobiology, </B>noun.<DL COMPACT><DD> the branch of biology that deals with the way bacteria, viruses, pollen, and the like, are carried through the air. </DL>
<A NAME="aerobiosis">
<B>aerobiosis, </B>noun.<DL COMPACT><DD> life sustained by an organism in the presence of oxygen (contrasted with <I>anaerobiosis</I>). </DL>
<A NAME="aerobiotic">
<B>aerobiotic, </B>adjective.<DL COMPACT><DD> of or characterized by aerobiosis; aerobic. </DL>
<A NAME="aerobium">
<B>aerobium, </B>noun, pl. <B>-bia.</B> <B>=aerobe.</B></DL>
<A NAME="aerobraking">
<B>aerobraking, </B>noun.<DL COMPACT><DD> the use of atmospheric friction to slow a moving space vehicle. <BR> <I>Ex. a technique known as "aerobreaking," in which a light-weight shield slows down a vehicle as it zooms through a planetary atmosphere (William J. Broad).</I> </DL>
<A NAME="aerodist">
<B>aerodist, </B>noun.<DL COMPACT><DD> a tellurometer adapted to aircraft use for geographical survey. </DL>
<A NAME="aerodonetics">
<B>aerodonetics, </B>noun.<DL COMPACT><DD> the art or study of gliding and soaring flight. </DL>
