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单词 pyroxylin
释义

WordReference Random House Unabridged Dictionary of American English © 2024
py•rox•y•lin  (pī roksə lin, pə-),USA pronunciation n. 
  1. Chemistrya nitrocellulose compound containing fewer nitrate groups than guncotton, used in the manufacture of artificial silk, leather, oilcloth, etc.
Also, py•rox•y•line (pī roksə lin, -lēn′, pə-).USA pronunciation 
  • pyro- + xyl- + -in2 1830–40

Collins Concise English Dictionary © HarperCollins Publishers::
pyroxylin /paɪˈrɒksɪlɪn/ n
  1. a yellow substance obtained by nitrating cellulose with a mixture of nitric and sulphuric acids; guncotton: used to make collodion, plastics, lacquers, and adhesives
Etymology: 19th Century: from pyro- + xyl( o) - + -in
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更新时间:2025/2/23 12:34:49