Webster's Revised Unabridged Dictionary · 1913

Picromel

Picromel , noun

[Greek {not transcribed} bitter + {not transcribed} honey: compare French picromel.]

(Old Chemistry) A colorless viscous substance having a bitter-sweet taste.

It was formerly supposed to be the essential principle of the bile, but is now known to be a mixture, principally of salts of glycocholic and taurocholic acids.