ˌeksɪˈteɪʃən n. 1 a
the act or an
instance of
exciting. b the
state of
being excited; excitement. 2 the
action of an
organism,
tissue,
etc., resulting
from stimulation. 3 Electr. a the process of applying
current to the
winding of an
electromagnet to
produce a
magnetic field. b the process of applying a signal
voltage to the
control electrode of an
electron tube or the base of a
transistor. 4
Physics the process in
which an
atom etc. acquires a higher
energy state.