Measuring instantaneous rates is the most direct way of determining the rate law of a reaction, but it is not always convenient, and it may not be possible to do so with precision.
piece (pÄs) n. 1. A thing considered as a unit or an element of a larger thing, quantity, or class; a portion: a piece of string. 2. A portion or part that has been separated from a whole: a piece of pie. 3. An object that is one member of a group or class: a piece of furniture.
Definitions for piece de resistance. Here are all the possible meanings and translations of the word piece de resistance. Princeton's WordNet(0.00 / 0 votes)Rate this definition: collector's item, showpiece, piece de resistance(noun) the outstanding item (the prize piece or main exhibit) in a collection.