[ hi-lahy-uh-kuh l ]
/ hɪˈlaɪ ə kəl /
pertaining to or occurring near the sun, especially applied to such risings and settings of a star as are most nearly coincident with those of the sun while yet visible.
Words nearby heliacal
Also he·li·ac [hee-lee-ak] /ˈhi liˌæk/.
OTHER WORDS FROM heliacalhe·li·a·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019