albuminoid

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

noun a simple protein found in horny and cartilaginous tissues and in the lens of the eye

From albumin (from Latin albumen (“egg white”) via French albumine) + -oid. Ultimately from Latin albus (“white”).

These substances fall into two classes, one the quaternary or albuminoid, the other the ternary, including the carbohydrates and the fats. — Creative Evolution, Bergson, Henri

scleroprotein

Type a word, a sentence, a book title, or a link to an English article. WordNet and the Classics answer.

Try

A library of classics · a vault of words · instant etymology & meaning