| 单词 | marker |
| 释义 | marker /mahr"keuhr/, n. 1. a person or thing that marks. 2. something used as a mark or indication, as a bookmark or tombstone. 3. a person who records the scores, points, etc., as in a game or contest. 4. a counter used in card playing. 5. Genetics. See genetic marker. 6. Psychol. an object, as a book or topcoat left at a library table, used to establish territorial possession in a public place. 7. Ling. a. an element of a construction, as a coordinating conjunction, that is not a part of either immediate constituent. b. an element that indicates the grammatical class or function of a construction. 8. a small radio beacon, automatically operated, used for local navigation of vessels. 9. mile-marker. 10. Also called marker pen, marking pen. a pen designed for making bold, colorful, or indelible marks, as in making signs or identifying objects. 11. Slang. a. a debt, esp. a gambling debt. b. a written or signed promise to pay a debt, esp. a gambling debt; a promissory note or IOU. 12. Also called marker crude. Com. a grade of oil on which prices of other crude oils are based. 13. CB Radio Slang. one's location while driving on a highway, as determined by the nearest milepost. [1480-90; MARK1 + -ER1] |
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