Definition of excite in English:

excite

Line breaks: ex¦cite
Pronunciation: /ɪkˈsʌɪt
 
, ɛk-/

verb

[with object]
  • 3Produce a state of increased energy or activity in (a physical or biological system): the energy of an electron is sufficient to excite the atom
    More example sentences
    • By giving the vaccine along with another drug that excites the immune system, doctors can teach Bonet's own immune system to fight her cancer.
    • Now, when this wavefront hits a material, some of the wavelets will hit atoms and excite electrons to a higher energy state.
    • External energy pumped into the atoms of the lasing medium excites electrons to higher energy states; returning to their base state, they emit photons.

Origin

Middle English (in the sense 'incite someone to do something'): from Old French exciter or Latin excitare, frequentative of exciere 'call out or forth'. sense 1 dates from the mid 19th century.

More definitions of excite

Definition of excite in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day maelstrom
Pronunciation: ˈmeɪlstrəm
noun
a powerful whirlpool in the sea