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Definition of Filtergram
1. Noun. (astronomy) A photograph of the sun at a particular frequency range (by means of a variable filter) ¹
¹ Source: wiktionary.com
Lexicographical Neighbors of Filtergram
Other Resources:
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1. Noun. (astronomy) A photograph of the sun at a particular frequency range (by means of a variable filter) ¹
¹ Source: wiktionary.com