Review: Arby's - Gyro. 1  Arby's Gyros (pronounced year-oh and not guy-ro) come with either thin-sliced roast turkey or beef along with Greek seasoning, tzatziki sauce, sliced red onions, shredded lettuce, and sliced tomatoes, folded inside of a pita. I had a coupon where they were two for $6 so I got one with turkey and one with beef.
By Richard Nordquist. Definition: A word coined or used for a special occasion. A compound construction made up for a particular occasion is sometimes called a nonce compound.As Thomas Kane notes below, nonce compounds (e.g., an anti-everything-wrong organization) are usually hyphenated. See also: 1  Buzzword. 2  Mountweazel. word coined or used for a special occasion. A compound construction made up for a particular occasion is sometimes called a nonce compound. As Thomas Kane notes below, nonce compounds (e.g., an anti-everything-wrong organization) are usually hyphenated. See also: 1  Buzzword.
Compounds are (in the chemical sense of the term) made of two or more elements. This means, a lot of molecules (like H2O) are considered compounds (though H2 is not). 'Compound' is often used interchangeably with the word substance, which describes a collective of molecules (water is a substance.ixture: two or more different atoms together but not joined. Molecule: two particles (same or different) bonded together. Element: only 1 type of atom; this definition is applied to things both bonded and not to itself.