Definitions from Wiktionary (photoheliometer)
▸ noun: (historical) A double-lens instrument for measuring slight variations of the Sun's diameter by photography, based on the common chord of two overlapping images.
▸ Words similar to photoheliometer
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▸ noun: (historical) A double-lens instrument for measuring slight variations of the Sun's diameter by photography, based on the common chord of two overlapping images.
Similar:
heliometer,
heliograph,
spectroheliograph,
heliometry,
photospectroheliograph,
spectroheliometer,
helioscope,
spectrohelioscope,
photometrograph,
spectroheliokinematograph,
more...
▸ Words similar to photoheliometer
▸ Usage examples for photoheliometer
▸ Idioms related to photoheliometer
▸ Wikipedia articles (New!)
▸ Popular adjectives describing photoheliometer
▸ Words that often appear near photoheliometer
▸ Rhymes of photoheliometer
▸ Invented words related to photoheliometer