pointer

名词 n.
中文释义
英 /ˈpɔɪn.tə/    美 /ˈpɔɪn.təɹ/|/ˈpɔɪnəɹ/

英文释义

名词 n.
  1. Anything that points or is used for pointing.; One who points.
    — The talkers and pointers had undermined him. They had touched him with the acid of their suspicions, and the corrosion spread until he himself had lost sight of the truth.
  2. Anything that points or is used for pointing.; A teacher's pointer, pointing stick, a rod with an arrow.
  3. Anything that points or is used for pointing.; A needlelike component of a timepiece or measuring device that indicates the time or the current reading of the device.
  4. Anything that points or is used for pointing.; A breed of hunting dog, trained to point out game.
    — Most of the early wirehaired pointers represented a combination of Griffon, Stichelhaar, Pudelpointer, and German Shorthair. The Pudelpointer was a cross between a Poodle dog and an English Pointer bitch; the Griffon and the Stichelhaar were composed of Pointer, Foxhound, Pudelpointer, and a Polish water dog.
  5. Anything that points or is used for pointing.; A variable that holds the address of a memory location where a value can be stored.
    — I do consider assignment statements and pointer variables to be among computer science's "most valuable treasures."
  6. Anything that points or is used for pointing.; An icon that indicates the position of the pointing device, such as a mouse.
    — The system notifies the user of the progress of a task by changing the appearance of the pointer. System-busy pointers usually adopt a timepiece metaphor.
  7. A tip, a bit of advice. in-plural
    — The instructor gave me some pointers on writing a good paper.
  8. Something that gives a point (sharp end) to something.
    — pencil pointer
  9. Something worth a given number of points.
    — a ten-pointer

词形变化

pointers plural

词汇关系

衍生词
back pointer downpointer Faraday pointer finger-pointer five-pointer Hungarian Pointer laser pointer mouse pointer nonpointer parent pointer tree pointer finger pointerless pointerlike point-to-pointer shared pointer six-pointer six pointer smart pointer station pointer telepointer three-pointer white pointer wild pointer
相关词
dereference address

词源

From point + -er (agent noun suffix) or + -er (measurement suffix) (sense 4).
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