词根词缀：-ator
【来源及含义】Latin: a suffix that forms masculine nouns from verbs
【同源单词】arbitrator, astrogator, auscultator, aviator, dictator, emancipator
词根词缀：atrio-, atri-
【来源及含义】Latin: entrance hall or chamber; upper heart chamber; central room
【同源单词】atrial, atrial electrogram, atrial fibrillation, atriomegaly, atrioseptoplasty, atrioseptostomy
词根词缀：atroc-, atroci-
【来源及含义】Latin: cruel, fierce; dark-looking, gloomy
【同源单词】atrocious, atrociously, atrociousness, atrocity
词根词缀：atto-
【来源及含义】Danish or Norwegian: eighteen; a decimal prefix used in the international metric system for measurements
【相关描述】This prefix is used in the metric [decimal] system as quintillionth [U.S.] and trillionth part [U.K.], 10-18 [0.000 000 000 000 000 001]. The metric symbol for atto- is a.
【相关词根词缀】 Related "metric" families: yotta; zetta; exa; peta; tera; giga; mega; kilo; hecto; deka; deci; centi; milli; micro; nano; pico; femto; zepto; yocto.
【同源单词】attoampere, attofarad, attogram, attoscience, attosecond, attotesla
词根词缀：auc-
【来源及含义】Greek: increase, growth
词根词缀：audac-, audaci-
【来源及含义】Latin: dare, be bold
【同源单词】audace, Audaces fortuna iuvat, audacious, audaciously, audaciousness, audacity
词根词缀：audio-, aud-, audi-, audit-
【来源及含义】Latin: hearing, listening, perception of sounds
【相关词根词缀】 Related "hear, hearing; listen, listening" units: acous-; ausculto-.
【同源单词】Audi alteram partem, audibility, audible, audibleness, audibly, audiclave
词根词缀：aug-, auc-, auct-, auxano-, auxi-, aux-, auxo-
【来源及含义】Greek > Latin: to increase, to grow; growth
【同源单词】auction, auctioneer, augment, augmentation, augmentative, august
词根词缀：augur-
【来源及含义】Latin: diviner, soothsayer; a member of the college of priests in Rome, who foretold the future; in ancient Rome, a priest who foretold events by interpreting omens
【相关描述】Related to augerer, "to increase".
【相关词根词缀】 Cross references of word families that are related directly, or indirectly, to: "divination, diviner; seer, soothsayer, prophecy, prophesy, prophet": auspic-; fa-, fate; Fates in action; futur-; -mancy; omen; -phemia; sorc-, sorcery; vati-.
【同源单词】auger, augur, augural, augurate, auguration, augured
词根词缀：aulet-, auletris-
【来源及含义】Greek: a flutist, musician