a method of surveying; the area is divided into triangles and the length of one side and its angles with the other two are measured, then the lengths of the other sides can be calculated
a trigonometric method of determining the position of a fixed point from the angles to it from two fixed points a known distance apart; useful in navigation
(chess) the capture by both players (usually on consecutive moves) of pieces of equal value; "the endgame began after the exchange of queens"
(chess) gaining (or losing) a rook in return for a knight or bishop; "black lost the exchange"
reciprocal transfer of equivalent sums of money especially the currencies of different countries; "he earns his living from the interchange of currency"
the act of giving something in return for something received; "deductible losses on sales or exchanges of property are allowable"
the act of changing one thing for another thing; "Adam was promised immortality in exchange for his disobedience"; "there was an exchange of prisoners"
a workplace for buying and selling; open only to members
a mutual expression of views (especially an unpleasant one); "they had a bitter exchange"
chemical process in which one atom or ion or group changes places with another
give to, and receive from, one another; "Would you change places with me?"; "We have been exchanging letters for a year"
hand over one and receive another, approximately equivalent; "exchange prisoners"; "exchange employees between branches of the company"
(biology) the field of science concerned with processes of communication and control (especially the comparison of these processes in biological and artificial systems)
a high gear used at high speeds to maintain the driving speed with less output power
the state of high or excessive activity or productivity or concentration; "Troops are ready to go into overdrive as soon as the signal is given"; "Melissa's brain was in overdrive"
drive or work too hard; "The teacher is overworking his students"; "Overdriving people often suffer stress"
the skilled practice of a practical occupation; "he learned his trade as an apprentice"
the commercial exchange (buying and selling on domestic or international markets) of goods and services; "Venice was an important center of trade with the East"; "they are accused of conspiring to constrain trade"
the business given to a commercial establishment by its customers; "even before noon there was a considerable patronage"
exchange or give (something) in exchange for
turn in as payment or part payment for a purchase; "trade in an old car for a new one"
engage in the trade of; "he is merchandising telephone sets"
be traded at a certain price or under certain conditions; "The stock traded around $20 a share"