- a part that is added to something to enlarge or prolong it; a continuation；a room or set of rooms added to an existing building
noun: extension, plural noun: extensions
- 1. a part that is added to something to enlarge or prolong it; a continuation the railroad's southern extension 同義詞
- ▪ a room or set of rooms added to an existing building they hope to demolish the store and build a bar extension 同義詞
- ▪ lengths of real or artificial hair woven into a person's own hair to create a long hairstyle.
- ▪ the action or process of becoming or making something larger the extension of the President's powers 同義詞 反義詞
- ▪ an application of an existing system or activity to a new area direct marketing is an extension of telephone selling
- ▪ an increase in the length of time given to someone to hold office, complete a project, or fulfill an obligation the initial term of appointment is for one year, but an extension of two years is envisaged 同義詞 反義詞
- ▪ an optional suffix to a file name, typically consisting of a period followed by several characters, indicating the file's content or function.
- 2. a length of electric cord that permits the use of an appliance at some distance from a fixed socket.
- 3. an extra telephone on the same line as the main one you can listen on the extension in the bedroom
- ▪ a subsidiary telephone in a set of offices or similar building, on a line leading from the main switchboard but having its own additional number contact Liz McDonald on extension 3514
- 4. the action of moving a limb from a bent to a straight position seizures with sudden rigid extension of the limbs
- ▪ the ability of a dancer to raise one leg above their waist, especially to the side she has amazing extension he could perform 180-degree extensions
- ▪ the application of traction to a fractured or dislocated limb or to an injured or diseased spinal column to restore it to its normal position.
- ▪ the lengthening of a horse's stride within a particular gait.
- 5. instruction by a university or college for students who do not attend full time extension courses
- 6. the range of a term or concept as measured by the objects that it denotes or contains, as opposed to its internal content.
- 7. the property of occupying space; spatial magnitude nature, for Descartes, was pure extension in space