The American Heritage® Dictionary of the English Language, 4th Edition
n. A colorless, oily liquid, C12H17NO, that has a mild odor and is used as an insect repellent.
Word Usage
"I have heard bug repelent with deet is hard to find in Mexico and my housekeeper always asks me to bring down multi packs of the CFL light bulbs (4 pack at US home depot about $7USD) that cost abut $8 USD each in Mexico ..."