A surname from Spanish.

(geology) A large underground pool of molten rock lying under the surface of the earth's crust.

Poetry, often terse and surreal, created by assembling magnetic pieces bearing words or word fragments.

An Allied cryptanalysis project, during and prior to World War II, that decrypted Japanese messages.

plural of magic trick

A remarkable act carried out purportedly by magical means but actually by trickery or illusion, generally as a form of entertainment.

plural of magic word

Any word that has a magical effect when uttered. / (in teaching polite behaviour to children) One of the words please, thank you, or hello.

plural of magma chamber

At a given point on Earth's surface, the direction of Earth's magnetic field, i.e. the direction into which the compass needle of a magnetic compass points.