(computing, slang) To switch one's operating system to Linux.

(physics) A type of unicyclic Feynman diagram in which a quark temporarily changes flavor and engages in an interaction.

plural of penguin trainer

(UK, aviation, historical) A machine resembling an aeroplane but unable to fly, used for training pilots.

A subspecies of small penguin, Eudyptula minor albosignata, with distinctive white marks on the flippers, which breed on South Island.

A medium-sized species of penguin, Eudyptes sclateri from New Zealand.

Any of a species of small penguin, Megadyptes antipodes, with a distinctive yellow band around its eyes, native to New Zealand.

†Eudyptes warhami, an extinct species of crested penguins, which lived on the Chatham Islands.

plural of erect-crested penguin

plural of white-flippered penguin