SINCE 1828
Greenwich hour angle
noun
Green·wich hour angle
| \ usually ˈgrinij in Greenwich, England, & in Great Britain as a whole, usually ˈgrenich or ˈgrenēch in Greenwich Village & in New York City as a whole, often in certain other places named Greenwich & usually by speakers unfamiliar with the local pronunciation of any place named Greenwich ˈgrēnˌwich; sometimes ˈgrenij or ˈgrenēj or ˈgrinich or ˈgrinēch or ˈgrinēj or ˈgrenˌwich or ˈgrinˌwich\
Definition of Greenwich hour angle
: the hour angle of a celestial body at the meridian of Greenwich
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