trace1 (treɪs) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) |
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| —n |
| 1. | a mark or other sign that something has been in a place; vestige |
| 2. | a tiny or scarcely detectable amount or characteristic |
| 3. | a footprint or other indication of the passage of an animal or person |
| 4. | any line drawn by a recording instrument or a record consisting of a number of such lines |
| 5. | something drawn, such as a tracing |
| 6. | chiefly (US) a beaten track or path |
| 7. | memory trace See also engram the postulated alteration in the cells of the nervous system that occurs as the result of any experience or learning |
| 8. | geometry the intersection of a surface with a coordinate plane |
| 9. | maths the sum of the diagonal entries of a square matrix |
| 10. | linguistics a symbol inserted in the constituent structure of a sentence to mark the position from which a constituent has been moved in a generative process |
| 11. | meteorol an amount of precipitation that is too small to be measured |
| 12. | archaic a way taken; route |
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| —vb (often foll by out) |
| 13. | (tr) to follow, discover, or ascertain the course or development of (something): to trace the history of China |
| 14. | (tr) to track down and find, as by following a trail |
| 15. | to copy (a design, map, etc) by drawing over the lines visible through a superimposed sheet of transparent paper or other material |
| 16. | a. to draw or delineate a plan or diagram of: she spent hours tracing the models one at a time |
| | b. to outline or sketch (an idea, policy, etc): he traced out his scheme for the robbery |
| 17. | (tr) to decorate with tracery |
| 18. | (tr) to imprint (a design) on cloth, etc |
| 19. | (usually foll by back) to follow or be followed to source; date back: his ancestors trace back to the 16th century |
| 20. | archaic to make one's way over, through, or along (something) |
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| [C13: from French tracier, from Vulgar Latin tractiāre (unattested) to drag, from Latin tractus, from trahere to drag] |
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| 'traceable1 |
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| —adj |
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| tracea'bility1 |
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| —n |
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| 'traceableness1 |
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| —n |
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| 'traceably1 |
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| —adv |
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| 'traceless1 |
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| —adj |
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| 'tracelessly1 |
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| —adv |