Meaning
Involving dilatation (or compression).
Etymology
Origin: Middle English
Etymology tree English dilatation Proto-Italic *-ālis Latin -ālisbor. Old French -albor. ▲ Latin -ālis Old French -elbor. ▲ Latin -ālisbor. Middle English -al English -al English dilatational From dilatation + -al.
NYT Puzzle Appearances
No published puzzle dates on file for this word yet. It is part of the official NYT Spelling Bee word list for 2021, 2022, 2025.