a self-report personality inventory based on Hans Eysenck's factor analysis of personality which assumes three basic factors (the two most important being extraversion to introversion and neuroticism)
"The psychology professor recommended taking the epi test to objectively measure our levels of extraversion and neuroticism before starting the research project."
A syringe or autoinjector filled with epinephrine, most frequently used for the treatment of acute allergic reactions to avoid or treat the onset of anaphylactic shock.
"The MRI scan was processed into epi format to quickly visualize the brain's activity during the experiment."
Abbreviation of epimorphism.
Abbreviation of epidural.
Abbreviation of episiotomy.
An Epiphone guitar.
Initialism of echoplanar image/imaging.
In plain English: Epi is a method that lets doctors get MRI pictures very rapidly.
"The neurologist ordered an epi scan to assess the brain activity during the seizure."
Usage: Epi (initialism) refers specifically to an echo planar imaging sequence used in MRI, particularly for functional brain scans; it's not simply a prefix meaning "upon" or "over." When discussing MRI techniques, use "epi" as an abbreviation and define it if needed.
An island of volcanic origin in the province of Shefa, Vanuatu.
"During our trip to Vanuatu, we stopped at Epi Island in the Shefa Province to swim in its clear lagoon."