What does "albumen" mean?

The white part of an egg; being mostly the protein albumin and water.

What is a synonym for "albumen"?

Common synonyms include: egg white, albumen coating, albumin, batter, bonnyclabber, butter.

/ˈælbjʊmən/ noun

noun ·Uncommon ·College level

Noun

1
The white part of an egg; being mostly the protein albumin and water. countable, uncountable
"The various elements found in food are the following: Starch, sugar, fats, albumen, mineral substances, indigestible substances."
2
the white part of an egg; the nutritive and protective gelatinous substance surrounding the yolk consisting mainly of albumin dissolved in water wordnet
3
The endosperm of flowering plants. archaic, countable, uncountable
4
a simple water-soluble protein found in many animal tissues and liquids wordnet

"The albumen of an egg surrounds the yolk and provides nutrition for the developing embryo."

From Latin albūmen (“white of an egg”), from albus (“white”), from Proto-Indo-European *h₂élbʰos (“white”).