heliacal
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English[edit]
Etymology[edit]
From Ancient Greek ἡλιακός (hēliakós, “of the sun”) + -al. Appears in English first in the 16th century.
Pronunciation[edit]
Adjective[edit]
heliacal
- (rare) Of or relating to the Sun, especially rising and setting with the sun.
- Of or relating to the rising of a star when it first becomes visible just before sunrise in the eastern sky, having previously been made invisible by sunlight, or the analogous situation of its setting just after sunset.