astronautics: astronautiko.
astronomer : astronomo.
astronomy: astronomi-o; -mical: -ala.
astrophysics: astro-fiziko.
astute: sagaca; ruz-oza.
asunder: (prefix) dis-; (as) dis-ruptar: to break asunder; aparte; part-ig-ita; separ-ita; en du parti, du-ime.
asylum: (lit. and fig.) azilo; (fig.) santuario; (for insane) dement-erio; (for the aged, poor, infirm) hospico; (for infants) infant-azilo; (for the blind) blind-azilo.
asymptote: asimptoto.
asynectic: asinektika.
at: (about) pri; (because) pro; (duration) dum, en; (near) apud; (contiguity) an; (price) po; (at a certain time) ye; (indefinite) ye; (at someone's house or place) che; (towards) ad, vers; at a blow: subite, unfoye, per un stroko; at all: irga-maniere; irga-kaze; not at all: tote ne; at all events: omna-kaze, ad-minime, ye irga evento; at a loss: perplex-igita, en dubito konfuz-igita; at any rate: omna-kaze, ad-minime; at a pinch: en kazo di neces-eso; at a stand: halt-igita, inter-rupt-ita; konfuz-igita; at dawn: ye l'auroro, aurore; at discretion: segun vua judiko, sen kondiciono; at ease: tranquila; ne-jen-ata, komfort-oza; (mil.) (stacar) segun (ye) volo; at fault: faliar, erorar; at first: komence; at hand: proxim, apud; at heart: en mea kordio, reale, intime; at intervals: inter-space, inter-tempe, ye inter-spaci; at it: tre okupata; at large: libere; at last: fine, pos longa tempo; at least: ad-minime; at once: quik, sam-tempe, sam-instante; at ... o'clock: ye ...; at present: nun, prezente; at sight: ye unesma vido; (to sit) at a table: an tablo; at the end: fine; at the time: lor(e); at the moment: ta-instante, ta-tempe; at will: segun volo (od, plezuro); at work: okupata.
ataraxy: ataraxio.
atavism: atavismo.
ataxia: ataxio; locomotor a.: ataxio lokomac-ala; -ic: (disease) -ala, (person) -ika, iko.
atelier: (workshop) ateliero (1929); labor-eyo; (of an artist) ateliero (1929); studi-eyo.
atheism: ateismo; -ist: ateist-o; (collect.) -aro; -istic: (doctrine) ateism-ala, -ema, -oza; (person) ateist-ala, -ema.
athen(a)eum: ateneo.
atheroma: ateromo.
athirst: durst-anta, -oza.
athlete: atleto.
athwart: transvers-a, -e; (prep.) tra.
Atlantic: Atlantik-a, -o; transa.: trans- -a.
atlas: (geog., anat.) atlaso; (arch.) atlanto.
atmosphere: atmosfero.
atoll: atolo.
atom: atomo; -ize: atom-igar, -eskar.
atone: expiacar (ulo, per); reparar; kompensar (kulpo); day of a.ment: (Jewish) expiaco-festo.
atony: atonio; -ic: -oza.
atrabilious: melankoli-oza, hipokondri-ema, -oza.
atrium: atriumo.
atrocious: kruel-ega, abomin-inda.
atrocity: kruel-eg-ajo; (quality) -eso.
atrophy: atrofi-ar, -o; to be a.ed: atrofi-esar.
atropine: atropino.
attach: (fasten) atachar (1951); ligar, ad-juntar; unionar (kun); (attribute) atribuar; (legal) embargar; sizar; (for duty, etc.) servar; (to have an affection for) afecionar (ulu), fervorar pri, por ulo; amar.
attachй: atasheo.
attack: atak-ar, -o; (of fever, etc.) acesar, atako.
attain: atingar; (come through to) ad-par-venar, arivar (intr.).
attainment: (reaching) atingo; (acquirements) konoc-aji, (mentala) ating-aji, experienco.
attaint: (jur.) deklarar ulu kulpinta di stato-trahizo; des-honor-izar; infektar; koruptar.
attar of roses: roz-esenco.
attempt: (make trial of) probar; (endeavour) esforcar (intr.); (criminally) atentar; to make an a. on the life of someone: atentar la vivo di ulu; a. suicide: atentar su ipsa, su-ocido.