Talking with. 1  a normal voice approximates to a sound pressure level of 70 dB. 2  a raised voice approximates to a sound pressure level of 76 dB. 3  a very loud voice approximates to a sound pressure level of 82 dB.  a shouting voice approximates to a sound pressure level of 88 dB.
drop dead date. Also found in: Financial, Acronyms, Wikipedia. drop dead date. n. a provision in a contract or a court order which sets the last date an event must take place (such as payment) or otherwise certain consequences will automatically follow, such as cancelling the contract, taking property or entering a judgment.
The last day that an options or futures contract is valid. When an investor buys an option, the contract gives them the right but not the obligation to buy or sell an asset at a predetermined price, called a strike price, within a given time period, which is on or before the expiration date.owever, when that Friday falls on a holiday, the expiration date is on the Thursday immediately before the third Friday. Once an options or futures contract passes its expiration date, the contract is invalid.