helioscope
(British spelling) Alternative spelling of magnetize
plural of mundification
(astronomy) An apparatus for viewing the Sun without harming the eye, by means of an optical filter that attenuates most of sunlight while allowing only a small amount of the solar radiation.
(obsolete, chemistry) An apparatus used in separating, such as a separating funnel. / (obsolete, surgery) A surgical instrument for separating the pericranium from the cranium.
観測所で私たちは太陽観察器を使って安全に日食を観察しました。
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