(pathology) A lung disease caused by a fungus, Histoplasma capsulatum, often asymptomatic otherwise with symptoms similar to those of flu.

plural of piece rate

(organic chemistry) A carotenoid (5R)-5-hydroxy-3-[(1E,3E,5E,7E,9E,11E,13E,15E,17E,19E,21E)-24-hydroxy-3,7,12,16,20,24-hexamethylpentacosa-1,3,5,7,9,11,13,15,17,19,21-undecaenyl]-2,4,4-trimethylcyc...

A diminutive of the female given names Katherine, Kathleen, and related names.