Definition of extension (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"
- act of expanding in scope; making more widely available
- "extension of the program to all in need"
- the spreading of something (a belief or practice) into new regions
- synonyms: propagation
- an educational opportunity provided by colleges and universities to people who are not enrolled as regular students
- act of stretching or straightening out a flexed limb
- antonym: flexion
- a string of characters beginning with a period and followed by one or more letters; the optional second part of a PC computer filename
- the most direct or specific meaning of a word or expression; the class of objects that an expression refers to
- 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"
- amount or degree or range to which something extends
- an additional telephone set that is connected to the same telephone line
- an addition to the length of something
- synonyms: elongation
- an addition that extends a main building
Source: Princeton University Wordnet