untilt

verb

untilt

verb

Etymology From un- + tilt.

1

To restore to its original orientation, from a tilted orientation.

This giveaway allows astronomers to "untilt" the orbit and calculate its true dimensions.1982, Howard S. Goldberg, Michael D. Scadron, Physics of Stellar Evolution and Cosmology, page 106:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.