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| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
| cycle (ˈsaɪkəl) | |
| —n | |
| 1. | a recurring period of time in which certain events or phenomena occur and reach completion or repeat themselves in a regular sequence |
| 2. | a completed series of events that follows or is followed by another series of similar events occurring in the same sequence |
| 3. | the time taken or needed for one such series |
| 4. | a vast period of time; age; aeon |
| 5. | a group of poems or prose narratives forming a continuous story about a central figure or event: the Arthurian cycle |
| 6. | a series of miracle plays: the Chester cycle |
| 7. | See song cycle a group or sequence of songs |
| 8. | bicycle tricycle short for motorcycle |
| 9. | astronomy the orbit of a celestial body |
| 10. | a recurrent series of events or processes in plants and animals: a life cycle; a growth cycle; a metabolic cycle |
| 11. | physics a continuous change or a sequence of changes in the state of a system that leads to the restoration of the system to its original state after a finite period of time |
| 12. | one of a series of repeated changes in the magnitude of a periodically varying quantity, such as current or voltage |
| 13. | computing |
| a. a set of operations that can be both treated and repeated as a unit | |
| b. the time required to complete a set of operations | |
| c. one oscillation of the regular voltage waveform used to synchronize processes in a digital computer | |
| 14. | (in generative grammar) the set of cyclic rules |
| —vb | |
| 15. | (tr) to process through a cycle or system |
| 16. | (intr) to move in or pass through cycles |
| 17. | to travel by or ride a bicycle or tricycle |
| [C14: from Late Latin cyclus, from Greek kuklos cycle, circle, ring, wheel; see | |
| 'cycling | |
| —n, —adj | |
cycle cy·cle (sī'kəl)
n.
An interval of time during which a characteristic, often regularly repeated event or sequence of events occurs.
A single complete execution of a periodically repeated phenomenon.
A periodically repeated sequence of events.
cycle (sī'kəl) Pronunciation Key
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