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Thesaurus: hour circle
a great circle on the celestial sphere that passes through both celestial poles
Related headwords
celestialdefinitionbothdefinitioncircledefinitiongreatdefinitionpassesdefinitionpolesdefinitionspheredefinitionhour anglefamilyhour handfamilyhoundedneighborhoundfishneighborhoundin'neighborhoundingneighborhoundsneighborhoundstooth checkneighborhoundstoothsneighborhoupneighborhourneighborhour-glassesneighborhourglassneighborhourglass-shapedneighborhourglassesneighborhourineighborhourisneighborhourlongneighborhourlyneighborhoursneighbor