plural noun

: a large order of spherical, rod-shaped or spiral eubacteria which are usually motile by polar flagella and some of which contain photosynthetic pigments compare athiorhodaceae , caulobacteraceae , pseudomonadaceae , spirillaceae , thiorhodaceae

Word History


New Latin, from Pseudomonad-, Pseudomonas + -ales

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Dictionary Entries Near Pseudomonadales

Cite this Entry

“Pseudomonadales.” Dictionary, Merriam-Webster, Accessed 12 Apr. 2024.

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