(astronomy) the particular appearance of a body's state of illumination (especially one of the recurring shapes of the part of Earth's moon that is illuminated by the sun); "the full phase of the moon"
(physical chemistry) a distinct state of matter in a system; matter that is identical in chemical composition and physical state and separated from other material by the phase boundary; "the reaction occurs in the liquid phase of the system"
a particular point in the time of a cycle; measured from some arbitrary zero and expressed as an angle
any distinct time period in a sequence of events; "we are in a transitional stage in which many former ideas must be revised or rejected"
adjust so as to be in a synchronized condition; "he phased the intake with the output of the machine"
(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"
a deliberate act of omission; "with the exception of the children, everyone was told the news"
an instance that does not conform to a rule or generalization; "all her children were brilliant; the only exception was her last child"; "an exception tests the rule"
grounds for adverse criticism; "his authority is beyond exception"
(patent law) a document drawn up by the applicant for a patent of invention that provides an explicit and detailed description of the nature and use of an invention
a detailed description of design criteria for a piece of work