| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a scrap or morsel of food left at a meal. |
extension (ɪkˈstɛnʃən) ![]() | |
| —n | |
| 1. | the act of extending or the condition of being extended |
| 2. | something that can be extended or that extends another object |
| 3. | the length, range, etc, over which something is extended; extent |
| 4. | an additional telephone set connected to the same telephone line as another set or other sets |
| 5. | a room or rooms added to an existing building |
| 6. | a delay, esp one agreed by all parties, in the date originally set for payment of a debt or completion of a contract |
| 7. | the property of matter by which it occupies space; size |
| 8. | a. the act of straightening or extending an arm or leg |
| b. its position after being straightened or extended | |
| 9. | med See also traction a steady pull applied to a fractured or dislocated arm or leg to restore it to its normal position |
| 10. | a. a service by which some of the facilities of an educational establishment, library, etc, are offered to outsiders |
| b. (as modifier): a university extension course | |
| 11. | logic |
| a. Compare intension the class of entities to which a given word correctly applies: thus, the extension of satellite of Mars is the set containing only Deimos and Phobos | |
| b. conservative extension a formal theory that includes among its theorems all the theorems of a given theory | |
| [C14: from Late Latin extensiō a stretching out; see | |
extensional (ɪkˈstɛnʃənəl) ![]() | |
| —adj | |
| 1. | relating to or characterized by extension |
| 2. | logic extensionality substitutivity See also transparent context explicable solely in terms of extensions; ignoring differences of meaning that do not affect the extension |
| extensionally | |
| —adv | |
| extensionalism | |
| —n | |
extension ex·ten·sion (ĭk-stěn'shən)
n.
Abbr. ext.
The act of straightening or extending a flexed limb.
A pulling or dragging force exerted on a limb in a distal direction.
extension (ĭk-stěn'shən) Pronunciation Key
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