資料來源 : Webster's Revised Unabridged Dictionary (1913)

Spirobacteria \Spi`ro*bac*te"ri*a\, n. pl.; sing.
   {Spirobacterium}. [NL. See 4th {Spire}, and {Bacterium}.]
   (Biol.)
   See the Note under {Microbacteria}.