KREEP

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English[edit]

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Etymology[edit]

Blend of K,‎ REE, and P From the symbol for potassium (K) + the initialism of rare earth element (REE) + the symbol for phosphorus (P).

Noun[edit]

KREEP (uncountable)

  1. (geology) potassium-phosphorus-rare earth elements crustal material of the Moon

See also[edit]