noun, feminine/adɾenaˈlina/plural: adrenalinas
adrenalina is feminine in Spanish.
adrenaline (epinephrine, the hormone and neurotransmitter)
“La adrenalina que me irriga el cerebro había anestesiado el dolor.” — The adrenaline that irrigates my brain had anesthesized the pain.
Synonyms: epinefrina
Related: adrenalínico
Borrowed from English adrenaline, equivalent to adrenal + -ina.