While there are many slightly different definitions of acids and bases, in this lesson we will introduce the fundamentals of acid/base chemistry. Acids taste sour, are corrosive to metals, change litmus (a dye extracted from lichens) red, and become less acidic when mixed with bases.
Noun[edit] grease monkey â(plural grease monkeys) (idiomatic, slang) A mechanic, often with the specific connotation of an automobile mechanic.
Geoffroy's spider monkey. Geoffroy's spider monkey (Ateles geoffroyi), also known as the black-handed spider monkey, is a species of spider monkey, a type of New World monkey, from Central America, parts of Mexico and possibly a small portion of Colombia. There are at least five subspecies.