Słownik polsko-angielski 
                        (visible) horizon; astr. true horizon; horizon line; (na morzu) sea line; sea horizon; marine horizon
Wordnet polsko-angielski 
                         (the line at which the sky and Earth appear to meet) 
horizon, apparent horizon, visible horizon, sensible horizon, skyline 
synonim: horyzont
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                        horizon
Słownik techniczny polsko-angielski 
                        m visible horizon