The traditional, classical or popular (meaning of the people) ballad has been seen as beginning with the wandering minstrels of late medieval Europe. From the end of the 15th century there are printed ballads that suggest a rich tradition of popular music.
Definition of gasohol for English Language Learners. : a mixture of gasoline and ethanol that is used as a fuel for engines.
Erythropoietin (/ÉªËrÉªÎ¸roÊËpÉÉªáµ»tÉn/ or /ÉªËrÉªÎ¸roÊpoÊËÉtÉªn, -rÉ-, -ËiË-, -tÉn/;), also known as EPO, hematopoietin, or hemopoietin, is a glycoprotein hormone that controls erythropoiesis, or red blood cell production. It is a cytokine (protein signaling molecule) for erythrocyte (red blood cell) precursors in the bone marrow.