The measurement of distance or objects using an optical or mechanical method; an extremely rare or archaic measurement practice.
From Greek apo- 'away' + metron 'measure' + -metry 'measuring process.' Combines Greek roots describing the process of measuring things at a distance or from afar.
Apomecometry represents early optical science before telescopes and precise instruments—ancient astronomers were essentially doing apomecometry when they tried to estimate Moon distance by geometry and shadows.
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