extension

Sense 1 noun

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

Sense 2 noun

act of expanding in scope; making more widely available

extension of the program to all in need

Sense 3 noun

the spreading of something (a belief or practice) into new regions

Sense 4 noun

an educational opportunity provided by colleges and universities to people who are not enrolled as regular students

Sense 5 noun

act of stretching or straightening out a flexed limb

Sense 6 noun

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

Sense 7 noun

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

Sense 8 noun

the ability to raise the working leg high in the air

the dancer was praised for her uncanny extension

Sense 9 noun

amount or degree or range to which something extends

the wire has an extension of 50 feet

Sense 10 noun

an additional telephone set that is connected to the same telephone line

Sense 11 noun

an addition to the length of something

Sense 12 noun

an addition that extends a main building