Plasma residue
Plasma residue was a blue-colored byproduct from a starship's warp drive that needed to be purged regularly.

In early 2152, Zobral clogged the warp injectors of his ship with plasma residue in order to elicit aid from . ()

In 2371, the  vented plasma residue from its warp nacelles in order to mimic the submissive color-changing behavior of a space-dwelling lifeform. This caused a large creature that had viewed Voyager as a potential rival to cease its attack. ()

In 2376, Captain Kathryn Janeway concluded that a hull plate from the  had been physically sheared off, as it bore no burns or plasma residue. ()

de: Plasmarückstand
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