Meaning
Pertaining to, or derived from, fatty or oily substances; applied to certain acids obtained from fats by the action of nitric acid.
Etymology
Origin: Latin
From Latin adeps (“lard, fat”).
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 2019, 2020, 2021, 2023, 2024.