mulm

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English[edit]

Etymology[edit]

EB1911 - Volume 01 - Page 001 - 1.svg This entry lacks etymological information. If you are familiar with the origin of this term, please add it to the page per etymology instructions. You can also discuss it at the Etymology scriptorium.

Noun[edit]

mulm (uncountable)

  1. The sludge that collects at the bottom (or walls) of an aquarium, consisting of fish excrement, decaying plant matter, and other assorted detritus
    • 2013, C. W. Emmens, Keeping and Breeding Aquarium Fishes, page 115:
      The point is that the filter not only removes mulm from the tank but also ensures that this matter is very efficiently bathed in a constant flow of water, which will dissolve out anything that can be dissolved.

Norwegian Bokmål[edit]

Noun[edit]

mulm n (definite singular mulmet, indefinite plural mulm, definite plural mulma or mulmene)

  1. darkness, gloom

References[edit]