serving as a substitute; synthetic; artificial.

a nonexistent chemical that, prior to the discovery of oxygen, was thought to be released during combustion.

containing, using, or performing Mexican folk dancing, especially a program or repertoire of such dances.

a thick, round sandwich, typically containing ham, salami, and cheeses and topped with an olive salad, a specialty of New Orleans.

an irrational or disproportionate fear of chocolate.

the branch of astronomy that deals with the charting of the moon's surface.

any elementary particle that is subject to the interaction responsible for the short-range attractive force that holds together the nucleus of the atom.

regal, lofty, or stately dignity; imposing character; grandeur.

the head of a school.

to form of small squares or blocks, as floors or pavements; form or arrange in a checkered or mosaic pattern.