A form of corrosion found on the surface of zinc / (phytopathology) A disease of some plants caused by the pathogen Albugo candida

The state or temperature at which matter emits white light. / A state of intensive activity.

(obsolete, rare) Mark's point; bullseye.

plural of white whale

A cetacean, Delphinapterus leucas, found in the Arctic Ocean. / (figuratively) An obsession; monomania.

Alternative form of whitefish

(geography) One of the two main tributaries of the River Nile, which starts in Lake No and flows into the Nile at Khartoum. / A state of Sudan.

Picea glauca / Picea engelmannii (Engelmann's spruce) / Picea pungens (blue spruce)

Any species of the subgenus Pinus subg. Strobus / especially Pinus strobus / (New Zealand, dated) kahikatea

(idiomatic) Conquest or Pestilence, one of the Four Horsemen of the Apocalypse.