AAO
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1 anatomy (n.) C2 Proficiency Technical Medicinea short way to write 'ascending aorta', which is the first part of the main artery from your heart.
Abbreviation for the ascending aorta, the initial portion of the largest artery in the body originating from the left ventricle.
ExampleThe doctor checked the AAO on the scan to see if the heart was healthy.
ExampleThe surgical team noted a slight dilation in the AAO during the routine echocardiogram, necessitating further monitoring of the patient's vascular health.
UsageCommonly used in clinical reports and surgical documentation.
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2 materials science (n.) C2 Proficiency Technical Sciencea type of aluminum material with tiny holes, used in technology and chemistry.
Initialism for anodic aluminium oxide, a nanostructured material characterized by a highly ordered porous structure.
ExampleScientists used an AAO template to create very small wires for the experiment.
ExampleThe researchers utilized an AAO membrane to facilitate the growth of uniform silver nanowires within the hexagonal pore arrays.
UsageOften used in the context of nanotechnology and membrane fabrication.
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3 astronomy (n.) C2 Proficiency Technical Sciencethe name of a famous group of telescopes in Australia.
Initialism for the Australian Astronomical Observatory, a major research facility for optical and infrared astronomy.
ExampleThe AAO provides powerful telescopes for astronomers to study distant stars.
ExampleData collected at the AAO has been instrumental in mapping the distribution of galaxies across the southern celestial hemisphere.
UsageUsually functions as a proper noun referring to the specific institution.