Meaning of "e"-type cholinesterase

an enzyme that causes rapid hydrolysis of acetylcholine. Its action serves to stop excitation of a nerve after transmission of an impulse.

a·ce·tyl·cho·li·nes·ter·ase

ə-sēt′l-kō′lə-nĕs′tə-rās′, -rāz′
a·ce·tyl·cho·li·nes·ter·ase  (ə-sēt′l-kō′lə-nĕs′tə-rās′, -rāz′)
n.
An enzyme in the blood and in certain tissues that catalyzes the hydrolysis of acetylcholine.

acetylcholinesterase

əˈsiːtaɪlˌkəʊliːnˈɛstərˌeɪz; ˈæsɪtaɪl-
acetylcholinesterase (əˈsiːtaɪlˌkəʊliːnˈɛstərˌeɪz; ˈæsɪtaɪl-)
n
(Biochemistry) an enzyme in nerve cells that is responsible for the destruction of acetylcholine and thus for switching off excitation of the nerve

a•ce•tyl•cho•lin•es•ter•ase

(əˌsit lˌkoʊ ləˈnɛs təˌreɪs, -ˌreɪz, əˌsɛt-, ˌæs ɪ tl-)
a•ce•tyl•cho•lin•es•ter•ase (əˌsit lˌkoʊ ləˈnɛs təˌreɪs, -ˌreɪz, əˌsɛt-, ˌæs ɪ tl-) n.
an enzyme that counteracts the effects of acetylcholine by hydrolyzing it to choline and acetate.
[1945–50]