Definition of heliacal in English:

heliacal

adjective hɪˈlʌɪək(ə)lhəˈlīəkəl

Astronomy

Relating to or near the sun.
Example sentencesExamples
- It is possible that all the planetary orbs originate from an early attempt to record heliacal obscurity.
- All ancient astrologers placed the greatest significance upon heliacal risings and settings and ancient Mesopotamian astrology was also heavily predisposed to observance of this kind of planetary phenomena.
- The Greeks and Romans, with fairly useless calendars, continued to depend upon observing the heliacal risings and settings of stars.

Origin

Mid 16th century: via late Latin from Greek hēliakos (from hēlios 'sun') + -al.

Definition of heliacal in US English:

heliacal

adjectivehəˈlīəkəl

Astronomy

Relating to or near the sun.
Example sentencesExamples
- All ancient astrologers placed the greatest significance upon heliacal risings and settings and ancient Mesopotamian astrology was also heavily predisposed to observance of this kind of planetary phenomena.
- The Greeks and Romans, with fairly useless calendars, continued to depend upon observing the heliacal risings and settings of stars.
- It is possible that all the planetary orbs originate from an early attempt to record heliacal obscurity.

Origin

Mid 16th century: via late Latin from Greek hēliakos (from hēlios ‘sun’) + -al.

词汇	heliacal
释义	Definition of heliacal in English: heliacal adjective hɪˈlʌɪək(ə)lhəˈlīəkəl Astronomy Relating to or near the sun. Example sentencesExamples It is possible that all the planetary orbs originate from an early attempt to record heliacal obscurity. All ancient astrologers placed the greatest significance upon heliacal risings and settings and ancient Mesopotamian astrology was also heavily predisposed to observance of this kind of planetary phenomena. The Greeks and Romans, with fairly useless calendars, continued to depend upon observing the heliacal risings and settings of stars. Origin Mid 16th century: via late Latin from Greek hēliakos (from hēlios 'sun') + -al. Definition of heliacal in US English: heliacal adjectivehəˈlīəkəl Astronomy Relating to or near the sun. Example sentencesExamples All ancient astrologers placed the greatest significance upon heliacal risings and settings and ancient Mesopotamian astrology was also heavily predisposed to observance of this kind of planetary phenomena. The Greeks and Romans, with fairly useless calendars, continued to depend upon observing the heliacal risings and settings of stars. It is possible that all the planetary orbs originate from an early attempt to record heliacal obscurity. Origin Mid 16th century: via late Latin from Greek hēliakos (from hēlios ‘sun’) + -al.
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