Au

1) Военный термин: Air University, Analog Applique Unit, Army unit, airship, utility, alignment unit, all-up, assault unit, auditor, auxiliary unit

2) Техника: air-to-underwater

3) Сельское хозяйство: antitoxic units

4) Химия: atomic unit (атомная единица)

5) Математика: почти равномерно (almost uniformly)

6) Сокращение: Air University (USA), Austria (NATO country code), Astronomical Unit (93,000,000 miles), African Union (Африканский Союз), ATM User, Aarhus Universit (University of Aarhus; Denmark), About Uncirculated (numismatics; coin condition), Absorbance Unit, Accessible Unit, Acorn User (magazine), Adamson University, Adaptation Unit, Adaptive Unit, Addressee Unknown, Adelaide University (University of Adelaide, Australia), Adelphi University, Administrative Unit, African Union (formerly Organization of African Unity), Air University (US Air Force), Alcohol Unit, Alfred University, Aligarh University (India), Alopecia Universalis, Alternate Universe, Always Usually, American Racing Pigeon Union (Oklahoma City), American University (Washington, DC, USA), Americans United (for the Separation of Church and State: Washington, DC), Amman University, Anadolu University, Analyzer Unit, Anderson University (Indiana), Andhra University (India), Andrews University, Angeles University (Philippines), Ankara University, Anna University (India), Annamalai University (India), Another Universe (comics), Ansta"llningsutskottet (Swedish: Employment Committee), Apache University, Aquinas University, Araullo University, Arellano University (Manila, Philippines), Argosy University, Ashland University, Assessment Unit, Associate in Underwriting (insurance), Associated Universities, Assumption University, Astronomical Unit, Athabasca University, Atheists United, Atomic Unit, Auburn University (Auburn, Alabama), Audio (file name extension), Audio Unit, Auris Uterque (Latin: each ear), Aurora University, Australia (top-level domain name), Austria, Authentication Unification (Sprint), Authorized User, Authors System, Autism, Autistic, Automated Underwriter, Automatic (welding), Automatic Updates (Microsoft Windows), Avila University, Avionics Upper (panel), Encoded Audio Format (file extension; Sun and NeXT), Unity Alliance (Nicaragua)

7) Университет: Auburn University

8) Электроника: Amplifier Unit

9) Вычислительная техника: access unit, arithmetic unit, Astronomical Unit (Space)

10) Бурение: буквенное обозначение экспериментальных штанг наружным диаметром

11) Полимеры: полиуретан

12) Химическое оружие: American University

13) Хроматография: ЕОП (единица оптической плотности), оптическая единица, Absorbance Unit, area unit

14) Спектроскопия: оптическая единица, единица абсорбции (Absorbance Unit)

15) Расширение файла: Sun/Next Audio File

16) Имена и фамилии: Arthur Upfield

17) ООН: African Unity

18) Единицы измерений: Absorbance Units, Allocation Unit, Arbitrary Units, Astronomical Units, Atomic Units