auspici-o: (1929) auspice(s), favorable omen. — DEFIS
auster-a: austere: (in a moral sense) strict, rigid. Def.: Tre severa por su pri la mori, kun nuanco di rigoro ed asketeso; II-707. — DEFIS
austr-o: (poet.) a south wind; -ala: austraclass="underline" southern; -ala latitudo: southern latitude. — DeFIRS
autentik-a: authentic, genuine, properly attested; -igar: to authenticate; garantiar la -eso di: to guarantee the authenticity of. — DEFIRS
autism-o: (2001) autism. — DEFIRS
auto-: (prefix for scientific and technical words) auto-, self-; auto-movanta: self-moving, -acting. — DEFIRS
autobiografi-o: autobiography. — DEFIRS
autoblast-o: (bot.) autoblast. — DEFIS
autobus-o: (1926) bus, omnibus. — DEFIS
«autodafe»: auto-da-fe. — DEFIRS
autodidakt-a, -o: autodidact: self-taught (person) — DeFIRS
autogam-a: (biol.) autogamous. — DEFIRS
autogir-o: (2001) autogyro, gyroplane. — DEFIRS
autograf-a: autographic: written by one's own hand; -o: autograph: original signature or writing. — DEFIRS
autoklav-o: autoclave: (French) steaming vessel; -o da Papin: Papin's digester. — DeFIRS
autokrat-o: autocrat; -a rej-ido: autocratic prince; -ala guvernado: a. government; -aro: autocracy (collect.); -eso: autocracy (quality); -ismo: autocracy (regime). — DEFIRS
autoliz-o: autolysis. — DEFIRS
automat-o: automaton; -a: automatic: self-acting; -ala: automatic (relating to an automaton); -eso: automatism. — DEFIRS
automobil-o: automobile: motor-car; -ero, -isto: automobilist; -duktisto: chauffeur; -ismo: automobilism; -korno: a. horn. — DEFIRS
automorf-a: (math.) automorphic. — DEFIRS
automorfism-o: (biol.) automorphism. — DEFIS
automorfos-o: (biol.) automorphosis. — DEFIS
autonom-a: autonomous: self-governing, independent; -eso: autonomy. — DEFIRS
autopsi-ar: (tr.) to hold an autopsy on (ulu); -o: autopsy, post-mortem. — DEFIRS
autor-o: (lit.) author; (fig.) creator, originator; -acho: scribbler; -yuro: copyright. — DEFIRS
autoritat-o: authority: legal or rightful power; -ozo, -ozi: authorit-y, -ies; -oza, -ema: authoritative. — DEFIRS
autospor-o: (biol.) autospore. — DEFIS
autostrad-o*: multi-lane highway; automobilal voyo kontenanta du chosei havanta unika direciono e konceptita por trafiko rapida e grandaquanta.
autotomi-o: (biol.) autotomy. — DEFIS
autun-o: autumn: fall of the year; -ala: autumnal. — EFIS
auxiliar-a: (1951) auxiliary. — DEFIRS
auxospor-o: (biol.) auxospore. — DEFIS
av-o: grand-parent; -ulo: grandfather; -ino: grandmother; ge- -i: grand-parents (both sexes); pre- -o: great grandparent; forefather; tri-esma -ulo: great-great-grandfather; prim- -o: (our) first parent; -ala nomo patronymic. — ILS
aval-o: (fin.) avaclass="underline" guaranty, surety: a signature at bottom of a bill to guarantee payment; -izar: to guarantee (a bill by endorsement). — DeFIS
avalanch-ar: (intr.) to fall in an avalanch; -o: avalanch. — EFIS
avan: (prep.) in front of, ahead of; before (in space; for time, cf. ante); -e: (adv.) in front; -a: advance, forward, front; -o: the front; -ajo: thing, object in front, forepart; (fig.) forequarters (as of a horse); -irar:(intr.) to advance, go forward; kun la avano dope: with the front behind, or hindpart foremost; la akuzato sidas avan la jurio: the defendant sits before the jury; -brakio: fore-arm; -ceno: front of the stage, proscenium; -chambro: front-room, anteroom; -guardo: vanguard; -holdo: forward hold (of a ship); -kastelo: (nav.) fore-castle, -korpo, -parto: forepart; -pedo: front foot (of an animal); -portuo: outer harbor; -posteno: (milit.) outpost; -tekto: fore-roof, projecting roof, eaves; -viro: front man; (milit.) chief of file. Ant.: dop. — DeFIRS
avanc-ar: (tr., intr.) to advance: to go forward, move, put forward, (in space and time); -inta frukti, flori: forward fruits, flowers; -inta posteno: (milit.) advanced post; -e: forward, onward, in advance; -ez:forward! Ex.: Avancar la manuo, la pedo. La armeo avancas en la lando. Avancar sua departo. Avancigar la laboro. Ant.: retro -irar; regresar, tard-igar. — DEFIS
avantaj-o: advantage; -oza: advantageous; -izar: to advantage, bestow an a. on, to favor; publika, statala- -o: public, state utility. Ex.: Ula persono povas havar avantajo relate altra. La avantaji dil paco. Ant.: des-avantajo. — DEFIS
avantal-o: apron (for persons or vehicles), pinafore. — SP
avar-a, -acha: avaricious, miserly, greedy, covetous; -eso: avarice; -acho: sordid miser, skinflint; -eg-eso, -ach-eso: niggardliness, stinginess. Ant.: prodig-anta, spens-ema, disipanta. — EFIS