arc
[ ahrk ]
/ ɑrk /
noun
Geometry.
any unbroken part of the circumference of a circle or other curved line.
Also called electric arc. Electricity.
a luminous bridge formed in a gap between two electrodes.
Compare spark1(def 2).
Astronomy.
the part of a circle representing the apparent course of a heavenly body.
anything bow-shaped.
verb (used without object), arced [ahrkt] /ɑrkt/ or arcked, arc·ing [ahr-king] /ˈɑr kɪŋ/ or arck·ing.
to form an electric arc.
to move in a curve suggestive of an arc.
Origin of arc
1350–1400; Middle English
ark < Latin
arcus bow, arch, curve
WORDS THAT MAY BE CONFUSED WITH arc
arc arkWords nearby arc
Definition for arc (2 of 4)
ARC
or A.R.C.
American Red Cross.
Definition for arc (3 of 4)
Definition for arc (4 of 4)
Example sentences from the Web for arc
British Dictionary definitions for arc (1 of 2)
arc
/ (ɑːk) /
noun
verb arcs, arcing, arced, arcs, arcking or arcked
(intr)
to form an arc
prefix
maths
specifying an inverse trigonometric function: usually written arcsin, arctan, arcsec, etc, or sometimes sin –1, tan –1, sec –1, etc
Word Origin for arc
C14: from Old French, from Latin
arcus bow, arch
British Dictionary definitions for arc (2 of 2)
ARC
abbreviation for
AIDS-related complex: an early condition in which a person infected with the AIDS virus may suffer from such mild symptoms as loss of weight, fever, etc
Medical definitions for arc (1 of 2)
arc
[ ärk ]
n.
A curved line or segment of a circle.
Medical definitions for arc (2 of 2)
ARC
abbr.
AIDS-related complex
Scientific definitions for arc
arc
[ ärk ]
A segment of a circle.
See electric arc.