aegis |ˈiːdʒɪs| — kindly endorsement and guidance

aegrotat |ˈiːɡrəʊtæt| — A certificate indicating that a student is ill, excusing attendance at lectures and examinations and allowing courses to be passed without finishing the work.

Aeneas |ˈænɪəs| — a mythical Greek warrior who was a leader on the Trojan side of the Trojan War; hero of the Aeneid

aeneous  — Bronze colored.

Aeolian |iːˈəʊlɪən| — a member of one of four linguistic divisions of the prehistoric Greeks

aeon |ˈiːən| — (Gnosticism) a divine power or nature emanating from the Supreme Being and playing various roles in the operation of the universe

aerate |ˈereɪt| — expose to fresh air

aerated |ˈeəreɪtɪd| — (of a liquid) treated by having air passed or bubbled through it for purification

aeration |eəˈreɪʃən| — the process of exposing to air (so as to purify)

aerial |ˈerɪəl| — a pass to a receiver downfield from the passer

aerie |ˈerɪ| — the lofty nest of a bird of prey (such as a hawk or eagle)

aeriform |ˈerəˌfɔːrm| — resembling air or having the form of air

aerify |ˈerəˌfaɪ| — turn into gas

aerobatics |ˌerəˈbætɪks| — the performance of stunts while in flight in an aircraft

aerobic |eˈrəʊbɪk| — depending on free oxygen or air

aerobics |eˈrəʊbɪks| — exercise that increases the need for oxygen

aerobiology |erəʊbaɪˈɑːlədʒiː| — The study of the dispersion of airborne biological materials, as pollen, spores, microorganisms, or viruses.

aerodrome |ˈerədrəʊm| — an airfield equipped with control tower and hangars as well as accommodations for passengers and cargo

aerodynamic |ˌerəʊdaɪˈnæmɪk| — designed or arranged to offer the least resistant to fluid flow

aerodynamical |ˈeərəʊdaɪˈnæmɪkəl| — Aerodynamic

aerodynamics |ˌerəʊdaɪˈnæmɪks| — the branch of mechanics that deals with the motion of gases (especially air) and their effects on bodies in the flow

aerodyne |ˈerəˌdaɪn| — (aviation) A heavier-than-air craft, deriving its lift from motion.

aeroembolism |erəʊˈembəlɪzəm| — obstruction of the circulatory system caused by an air bubble as, e.g., accidentally during surgery or hypodermic injection or as a complication from scuba diving

aerofoil |ˈerəfɔɪl| — a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight

aerogram |ˈerəˌɡræm| — a letter sent by air mail

aerolite |ˈerəˌlaɪt| — a stony meteorite consisting of silicate minerals

aerology |eˈrɑːlədʒiː| — meteorology of the total extent of the atmosphere; especially the upper layers

aeromechanic  — of or pertaining to aerodynamics

aeromechanics |ˌerəʊməˈkænɪks| — the branch of mechanics that deals with the motion of gases (especially air) and their effects on bodies in the flow

aerometer |eˈrɑːmɪtər| — An instrument used to measure the mass and density of gases.

aeronaut |ˈerənɔːt| — someone who operates an aircraft

aeronautic |ˌeərəʊˈnɔːtɪk| — of or pertaining to aeronautics

aeronautical |ˌerəˈnɔːtɪkl| — of or pertaining to aeronautics

aeronautics |ˌerəˈnɔːtɪks| — the theory and practice of navigation through air or space

aeronavigation |ˈeərəˌnævɪˈɡeɪʃən| — The navigation through air; aerial navigation.

aerophone |ˈerəˌfəʊn| — Any musical instrument which produces sound primarily by causing a body of air to vibrate, without the use of strings or membranes, and without the vibration of the instrument itself adding considerably to the sound.

aeroplane |ˈerəpleɪn| — an aircraft that has a fixed wing and is powered by propellers or jets

aerosol |ˈerəsɔːl| — a cloud of solid or liquid particles in a gas

aerospace |ˈerəʊspeɪs| — the atmosphere and outer space considered as a whole

aerostat |ˈerəstæt| — An aircraft, such as a dirigible or balloon, that derives its lift from buoyancy rather than from wings or rotors.

aerostatics |ˌerəˈstætɪks| — (physics) the study of gases in equilibrium and of balloons or aircraft in varying atmospheric conditions

aerostation |erəˈsteɪʃən| — (obsolete) Aerial navigation; the art of raising and guiding balloons in the air.

aery |ˈeərɪ| — the lofty nest of a bird of prey (such as a hawk or eagle)

Aesop |ˈiːˌsɑːp| — Greek author of fables (circa 620-560 BC)

aesthete |ˈesθiːt| — one who professes great sensitivity to the beauty of art and nature

aesthetic |esˈθetɪk| — (philosophy) a philosophical theory as to what is beautiful

aesthetically |esˈθetɪklɪ| — in a tasteful way

aesthetics |esˈθetɪks| — (art) the branch of philosophy dealing with beauty and taste (emphasizing the evaluative criteria that are applied to art)

aesthophysiology |ˈiːsθəʊˌfɪzɪˈɒlədʒɪ| — The science of sensation in relation to the actions of the nerves.

aestival |ˈiːstɪv(ə)l| — (rare) of or occurring in summer

aethereal  — Alternative spelling of ethereal.

aetiology |ˌiːtɪˈɑːlədʒɪ| — the cause of a disease