purple bacterium
Microbiology
noun
Any of various bacteria of the suborder Rhodospirillineae and allied groups, which contain a purple photoactive pigment.
Origin
Late 19th century; earliest use found in The Botanical Gazette. After German Purpurbacterium.
- presumingly
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- presumptuousness
- presupernova
- presupposal
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- presylvian
- presymphyseal
- presymphysial
- presynaptic
- presynaptically
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- presystolic
- pret.