the brightness ratio of two celestial objects that differ by one magnitude. On the Pogson scale a difference of 5 magnitudes is defined as a difference of 100 in the intensities of two stars; therefore a difference of 1 magnitude is equal to the fifth root of 100, i.e. 2.512
[poh-gee, pog-ee] /ˈpoʊ gi, ˈpɒg i/ noun, plural (especially collectively) pogy (especially referring to two or more kinds or species) pogies. 1. a porgy. 2. a viviparous perch, Amphistichus rhodoterus, found in the shallow waters off the Pacific coast of the U.S. 3. the menhaden. [poh-gee] /ˈpoʊ gi/ noun, plural pogies. Slang. 1. (def 1). […]
/ˌpəʊˈhaɪ/ noun 1. a variant transliteration of the Chinese name for Bohai
principal organic hazardous constituent
[poh-hahng] /ˈpoʊˈhɑŋ/ noun 1. a port city in SE South Korea.