HAO

2-letter words 4

• oha midwestern state in north central United States in the Great Lakes region
• ah
• ha(astronomy) the angular distance of a celestial point measured westward along the celestial equator from the zenith crossing; the right ascension for an observer at a particular location and time of day
• hoa trivalent metallic element of the rare earth group; occurs together with yttrium; forms highly magnetic compounds