athlete's foot athlete's heart athletic athletic supporter athleticism athletics athodyd -athon athwart -atic atilt atingle -ation ATIS -ative Atka mackerel Atkinson Atl Atlanta Atlantean atlantes Atlantic Atlantic City Atlantic Ocean Atlantic Standard Time Atlantis Atlas Atlas Mountains Atli atm ATM Adaptation Layer ATM-based passive optical network ATM Forum ATM reference model atman atmometer atmosphere atmospheric atmospheric pressure atmospherics atoll atom atom bomb Atom Publishing Protocol atom smasher atomic Atomic Age atomic bomb atomic clock atomic cocktail atomic disintegration atomic energy atomic mass atomic mass unit atomic number atomic pile atomic structure atomic theory atomic volume atomic weight atomicity atomics atomism atomistic atomize atomizer atomy atonal atonality atone atone for atonement atonic atony atop atopic -ator -atory ATP atrabilious atremble atresia Atreus atrioventricular atrium atrocious atrocity atrophy atropine Atropos ATSC att attaboy attach attaché attaché case attachable Attached Resource Computer Network attachment attachment unit interface attack attacked attacker attagirl attain attainable attainder attainment attaint attainture attar attempt attend attendance attendance officer attendant attendant access attendee attentat attention attention span attentive attenuate attenuation attenuation-to-crosstalk ratio attenuator attest attestation attic Attic faith Attic salt (or wit) Attica Atticism Attila attire attitude attitudinize Attlee Attn atto- attorn attorney attorney at law attorney-client privilege attorney general attorney, power of attract attractant attraction attraction sphere attractive attractive nuisance doctrine attrib attribute attributive attrited attrition Attu attune attuned (to) atty Atty Gen ATU-C ATU-R ATV atwain atwitter atypical Au au contraire au courant au courant (French) au fait au fond au gratin au jus au lait au naturel au pair au poivre au revoir aubade Auber auberge aubergine Aubrey aubrieta auburn Aubusson Auckland auction auction bridge auction markets auction rate preferred stock auctioneer auctorial aucuba aud audacious audacity Auden audible audience audile audio audio-frequency Audio Messaging Interchange Specification audio- audiobook audiocassette audiogram audiology audiometer audiophile audiotape audiotex audiotext audiovisual audiphone audit audit committee audit trail audition auditor auditorium auditory auditory nerve Audits and Alarm Classification Audrey Audubon auf Wiedersehen Aufklärung aug Augean auger Auger effect Auger shower aught augite augment augmentation augmentative augmented interval Augsburg augur augury august Augusta Augustan Augustine Augustinian Augustus AUI auk auklet auld auld lang syne aunt Aunt Millie Aunt Sally auntie aura aural Aurangabad Aurangzeb aurar aureate Aurelia Aurelian Aurelius aureole Aureomycin auric auricle auricula auricular auriculate auriferous auriform Auriga Aurignacian aurochs Aurora aurora australis aurora borealis aurous Aurungzeb |