periastral

English

Etymology

peri- +‎ astral

Adjective

periastral (not comparable)

(archaic, astronomy) Moving among or around the stars.
- 1872, R. A. Proctor, Essays on Astronomy:
  comets in periastral passage
Of or pertaining to the periastron

References

“periastral”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

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