(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"
that time; that moment; "we will arrive before then"; "we were friends from then on"
subsequently or soon afterward (often used as sentence connectors); "then he left"; "go left first, then right"; "first came lightning, then thunder"; "we watched the late movie and then went to bed"; "and so home and to bed"
at that time; "I was young then"; "prices were lower back then"; "science as it was then taught"
in that case or as a consequence; "if he didn't take it, then who did?"; "keep it then if you want to"; "the case, then, is closed"; "you've made up your mind then?"; "then you'll be rich"
make a request or demand for something to somebody; "She asked him for a loan"
consider obligatory; request and expect; "We require our secretary to be on time"; "Aren't we asking too much of these children?"; "I expect my students to arrive in time for their lessons"
inquire about; "I asked about their special today"; "He had to ask directions several times"
direct or put; seek an answer to; "ask a question"
address a question to and expect an answer from; "Ask your teacher about trigonometry"; "The children asked me about their dead grandmother"
require or ask for as a price or condition; "He is asking $200 for the table"; "The kidnappers are asking a million dollars in return for the release of their hostage"