Meaning
A purgative resin, 6-methyl-1,3,8-trihydroxyanthraquinone, obtained from some rhubarbs and other plants.
Etymology
Origin: Unknown
From Rheum emodi (syn. of Rheum australe (Himalayan rhubarb) + -in.
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, 2023, 2024.