There's a few tricks out there to acquire a large Russian vocabulary in a short period of time. The first trick is the one most memory experts recommend: Using mnemonics. Mnemonics are memory devices, usually verbal. For example, who in science class wasn't taught about ROY G. BIV (Red Orange Yellow Green Blue Indigo Violet) as a way to remember the order of the colors of the rainbow? Mnemonic devices are a proven method for remembering otherwise obscure and hard-to-recall facts. And when used properly in studying Russian, mnemonics can help you build a massive vocabulary very quickly. Here are a few to get you started: