extension

nouns

a mutually agreed delay in the date set for the completion of a job or payment of a debt
"they applied for an extension of the loan"
extension
is a type of (narrower)
time during which some action is awaited
"instant replay caused too long a delay"; "he ordered a hold in the action"
delay, hold, postponement, time lag, wait
act of expanding in scope; making more widely available
"extension of the program to all in need"
extension
is derived from
extend
is a type of (narrower)
the act of increasing (something) in size or volume or quantity or scope
enlargement, expansion
the spreading of something (a belief or practice) into new regions
extension, propagation
an educational opportunity provided by colleges and universities to people who are not enrolled as regular students
extension, extension service, university extension
act of stretching or straightening out a flexed limb
extension
is derived from
extend
antonym
flexion
is a type of (narrower)
act of expanding by lengthening or widening
stretching
a string of characters beginning with a period and followed by one or more letters; the optional second part of a PC computer filename
"most applications provide extensions for the files they create"; "most BASIC files use the filename extension .BAS"
extension, file name extension, filename extension
the most direct or specific meaning of a word or expression; the class of objects that an expression refers to
"the extension of `satellite of Mars' is the set containing only Demos and Phobos"
denotation, extension, reference
is derived from
extensional
the ability to raise the working leg high in the air
"the dancer was praised for her uncanny extension"; "good extension comes from a combination of training and native ability"
extension
is a type of (narrower)
a basic or essential attribute shared by all members of a class
"a study of the physical properties of atomic particles"
property
is a type of (narrower)
an artistic form of nonverbal communication
dance
amount or degree or range to which something extends
"the wire has an extension of 50 feet"
extension, lengthiness, prolongation
an additional telephone set that is connected to the same telephone line
extension, extension phone, telephone extension
an addition to the length of something
elongation, extension
an addition that extends a main building
annex, annexe, extension, wing