| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024ex•ten•sion /ɪkˈstɛnʃən/USA pronunciation n. - [countable] an addition: added an extension to the house.
- an increase in length of time, area, duration, or scope:[countable]an extension for filing our taxes.
- Telecommunications an additional telephone that operates on a principal line:[countable]Pick up the extension in your room.
- a program by which an institution, such as a university, provides instruction or other services away from the regular location:[countable]studying at an extension.
adj. [before a noun] - connecting two ends that would be otherwise too far away:an extension cord.
- of or being a program by which a university provides instruction away from the regular location or outside regular hours:an extension course.
See -tend-. WordReference Random House Unabridged Dictionary of American English © 2024ex•ten•sion (ik sten′shən),USA pronunciation n. - an act or instance of extending.
- the state of being extended.
- that by which something is extended;
an addition:a four-room extension to a house. - an additional period of time given one to meet an obligation:My term paper wasn't finished so I asked for an extension.
- something that can be extended;
an extended object:a table with drop-leaf extensions. - range of extending;
degree of extensiveness;
extent:the extension of our knowledge. - Telecommunicationsan additional telephone that operates on the principal line.
- Business[Com.]a written engagement on the part of a creditor, allowing a debtor further time to pay a debt.
- Physicsthat property of a body by which it occupies space.
- Anatomy
- the act of straightening a limb.
- the position that a limb assumes when it is straightened.
- Surgerythe act of pulling the broken or dislocated part of a limb in a direction from the trunk, in order to bring the ends of the bone into their natural situation.
- PhilosophyAlso called extent. [Logic.]the class of things to which a term is applicable, as "the class of such beings as Plato and Alexander'' to which the term "man'' is applicable. Cf. intension (def. 5).
- Mathematicsa function having a domain that includes the domain of a given function and that has the same value as the given function at each point in the domain of the given function.
- Sport[Manège.]the act of bringing or coming into an extended attitude.
adj. - Educationof or pertaining to extension courses.
- Latin extēnsiōn- (stem of extēnsiō). See extensive, -ion
- Middle English 1350–1400
- 1.See corresponding entry in Unabridged stretching, expansion, enlargement, increase, dilation.
- 3.See corresponding entry in Unabridged lengthening, protraction, continuation.
- 4.See corresponding entry in Unabridged delay.
- 6.See corresponding entry in Unabridged limit.
- 1.See corresponding entry in Unabridged contraction.
extension, + n. - [Computers.]one or more characters at the end of a filename, usually following a period, used to indicate the type of file.
Also called file extension. |