(geology) alum slate

(geology) alum slate

A census-designated place in Santa Clara County, California, United States. / A historical community in Clarion County, Pennsylvania, United States.

plural of alum-basket

A small decorative wire basket covered in alum crystals by being dipped in a saturated solution of alum to give a sparkling effect.

plural of sodium alum

US and Canadian standard spelling of aluminium.

A light, silvery metal extracted from bauxite, and a chemical element (symbol Al) with an atomic number of 13. / (countable) A single atom of this element.

A male pupil or student. / A male graduate. / A student of any gender. / A graduate of any gender.

A female pupil or student (especially of a university or college). / A female graduate.