Meaning
A tetrameric protein produced in the oviducts of birds, reptiles and amphibians and deposited in the whites of their eggs.
Etymology
Origin: Latin
From Latin avidus (“hungry”) + -in, based on its "hunger" for biotin.
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 2022, 2023, 2024, 2025.