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单词 non-pathogen
释义

non-pathogenn.

Brit. /nɒnˈpaθədʒɛn/, /nɒnˈpaθədʒ(ə)n/, U.S. /nɑnˈpæθəˌdʒɛn/, /nɑnˈpæθədʒ(ə)n/
Origin: Formed within English, by derivation. Etymons: non- prefix, pathogen n.
Etymology: < non- prefix + pathogen n. Compare earlier non-pathogenic adj.
Medicine and Biology.
An organism or other agent that is non-pathogenic.
ΚΠ
1937 Science 8 Jan. 54/2 Those drugs effective on the pathogens are ineffective on the non-pathogen.
1960 Q. Rev. Biol. 35 44/1 A non-pathogen was converted into a strain having antigenic properties similar to those of tubercle bacilli.
1999 Proc. National Acad. Sci. U.S.A. 96 12926/2 No differences were observed..when the leaves were inculated with the leaf-infecting fungi Stagonospora nodorum (a non-pathogen of oat) or Stagonospora avenae (a pathogen of oat).
This is a new entry (OED Third Edition, December 2003; most recently modified version published online March 2022).
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n.1937
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