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| absorbable catgut suture | curve | parallel | meadowsweet | enameled wire |
| isotherm | hyperbola | 38th Parallel | go through private channels | Parabola |
| crosswalk | grade cut-off point; minimum passing score; borderline | housewife | geodesic | primary coil |
| streamline | chondriosome | pipeline | staff | isobar |
| old man's beard | catenary | involute | junction | concentrator |
| isobath | terminator | greenling | actinomyces | position |
| Line Spectra | eyeliner | wireworm | the Shinkansen Line | earth |
| rosette | spectral line | housewife | haddock | cable modem |
| the eye | conchoid | adiantum | worm | unshielded twisted pait |
| sillimanite | fairing | admission line | lane line | epicycloid |
| eel | high-tension wires | arcuate line | solidus | poverty line |
| seam | hairline | sillimanite | commissary line | refracted ray |
| feeder | gantry | work-basket | Nematoda | isocline |
| evolute | isogloss | cordon | feeder | involute |
| isogloss | feeder | hypocycloid | leptotene | ogive |
| conchoid | curve of beauty | chromonema | single line | the verge of death |
| rhumb | curve | vascular ray (=medullary ray) | trunk line | lemniscate |
| contour | underdraw | hypocycloid | ray | cardioid |
| diplonema | bistre | pachytene | timberline | ignition wire |
| line | aerial line | packthread | mast | scorer |
| the roadmap peace plan | hookup | operator | perpendicular | linesman |
| contour | cycloheximide | divider | meet at a point （ | filose |
| limit or boundary, esp between types of work considered by trade unions to belong to workers in different trades | alignment | ligature | wire | borderline |
| lineal | zygotene | wireless | genonema | Kae's line |
| straight ball | rip [take] out stitches | gutter | nematode nudule | lastex |
| trochoid | fastener | isoseismal | baseline | storage track |
| distaff | Tropic of Capricorn | cordon | strings | curve |
| roughly spinned cotton thread | linearity | telephone wire | Zhangxixian | lisle |
| hachure | ogee curve | score | hachure | Wenchangxian |
| sternal line | ligation | Nanqixian | luxate | Beijuxian |
| row | Number engaged! (=line engaged) | posterior axillary line | rove | Dadaxian |
| Chupoxian | scapular line | hatching | mark | roulette |
| roulette | ruler | peizhaoxian | longitudinal | Yangwangxian |
| siwuxian | yadaxian | lug | Longgaoxian | ligamental |
| Daohuxian | an extension line | linearly | linearly | extension line |
| lineman | X-ray | linen | line | lineation |
| line | lineman | linearise | Order Rhabdiasidea | ganging |
| fusee | linearity | service | serpentine | geotherm |
| seton | Linear | seam | scroll | graticule |
| linesman | outbound track | a cotton reel | graticule | graticule |
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