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zenith distance ['zenɪθ'dɪstəns]
gen. Zenitdistanz f
phys. Zenitabstand m
 English thesaurus
Zenith distance ['zenɪθ'dɪstəns]
abbr., insur. Z; z.d.
Zenith distance: 4 phrases in 3 subjects
Astronomy1
Measuring instruments1
Optics branch of physics2