parallel

nouns

something having the property of being analogous to something else
an imaginary line around the Earth parallel to the equator
(mathematics) one of a set of parallel geometric figures (parallel lines or planes)
"parallels never meet"
domain category
a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement
is a type of (narrower)
a combination of points and lines and planes that form a visible palpable shape

verbs

be parallel to
"Their roles are paralleled by ours"
is a type of (narrower)
be compatible, similar or consistent; coincide in their characteristics
"The two stories don't agree in many details"; "The handwriting checks with the signature on the check"; "The suspect's fingerprints don't match those on the gun"
make or place parallel to something
"They paralleled the ditch to the highway"
duplicate or match
"The polished surface twinned his face and chest in reverse"

adjectives

being everywhere equidistant and not intersecting
"parallel lines never converge"; "concentric circles are parallel"; "dancers in two parallel rows"
antonym
antonym
is similar to
(especially of vectors) parallel but oppositely directed
"antiparallel vectors"
is similar to
situated or running side by side
"collateral ridges of mountains"
is similar to
(of lines, planes, or surfaces) never meeting or crossing
see also
able to be compared or worthy of comparison
see also
having similarity in size, shape, and relative position of corresponding parts
of or relating to the simultaneous performance of multiple operations
"parallel processing"
is similar to
occurring or existing at the same time or having the same period or phase
"recovery was synchronous with therapy"- Jour.A.M.A.; "a synchronous set of clocks"; "the synchronous action of a bird's wings in flight"; "synchronous oscillations"
domain category
the branch of engineering science that studies (with the aid of computers) computable processes and structures