| 单词 | tab |
| 释义 | tab tab1 /tab/, n. , v. , tabbed, tabbing. n. 1. a small flap, strap, loop, or similar appendage, as on a garment, used for pulling, hanging, or decoration. 2. a tag or label. 3. a small projection from a card, paper, or folder, used as an aid in filing. 4. Informal. a bill, as for a meal in a restaurant; check. 5. a small piece attached or intended to be attached, as to an automobile license plate. 6. a small flap or tongue of material used to seal or close the opening of a container. 7. Also called tabulator. a stop on a typewriter, actuated by a key, that moves the carriage, typing element, etc., a predetermined number of spaces, used for typing material in columns, for fixed indentations, etc. 8. a programmed command on a computer, actuated by a key, that moves the cursor or printhead a predetermined number of spaces, used for keying material in columns, for fixed indentations, etc. 9. Theat. a. a small, often narrow, drop curtain, for masking part of the stage. b. See tableau curtain. 10. Aeron. a small airfoil hinged to the rear portion of a control surface, as to an elevator, aileron, or rudder. Cf. trim tab. 11. keep tabs or tab on, Informal. to keep an account of; check on; observe: The police kept tabs on the suspect's activities. v.t. 12. to furnish or ornament with a tab or tabs. 13. to name or designate. v.i. 14. Also, tabulate. to operate the tab function on a typewriter or computer. [1600-10; (in defs. 1-3, 5) < ?; (in defs. 7 and 8) short for TABULATOR; (in def. 9) short for TABLEAU; (in defs. 4 and 11) partly from shortening of TABLE, partly in sense of def. 1] tab2 /tab/, n. Informal. 1. tabloid (def. 1). 2. Slang. a tablet, as of a drug or medication. [by shortening] |
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