tokamak
[ toh-kuh-mak, tok-uh- ]
/ ˈtoʊ kəˌmæk, ˈtɒk ə- /
noun Physics.
a type of experimental nuclear fusion reactor in which a plasma of atoms circulates in a toroidal tube and is confined to a narrow beam by an electromagnetic field.
Origin of tokamak
1960–65; < Russian
tokamák, acronym from
toroidálʾnaya kámera s aksiálʾnym magnítnym pólem toroidal chamber with an axial magnetic field
Words nearby tokamak
toilworn,
toise,
toitoi,
tojo,
tok pisin,
tokamak,
tokara islands,
tokay,
toke,
tokelau,
tokelau islands
British Dictionary definitions for tokamak
tokamak
/ (ˈtɒkəˌmæk) /
noun
physics
a toroidal reactor used in thermonuclear experiments, in which a strong helical magnetic field keeps the plasma from contacting the external walls. The magnetic field is produced partly by current-carrying coils and partly by a large inductively driven current through the plasma
Word Origin for tokamak
C20: from Russian
to (
roidál'naya)
kám (
era s)
ak (
siál'nym magnitnym pólem), toroidal chamber with magnetic field