| phase space | (physics) an ideal space in which the coordinate dimensions represent the variables that are required to describe a system or substance, a multidimensional phase space |
phase I clinical trial
phase I | a clinical trial on a few persons to determine the safety of a new drug or invasive medical device, for drugs, dosage or toxicity limits should be obtained |
phase II clinical trial
phase II | a clinical trial on more persons than in phase I, intended to evaluate the efficacy of a treatment for the condition it is intended to treat, possible side effects are monitored |
phase III clinical trial
phase III | a large clinical trial of a treatment or drug that in phase I and phase II has been shown to be efficacious with tolerable side effects, after successful conclusion of these clinical trials it will receive formal approval from the FDA |
phase IV clinical trial
phase IV | sometimes the FDA approves a drug for general use but requires the manufacturer to continue to monitor its effects, during this phase the drug may be tried on slightly different patient populations than those studied in earlier trials |
preclinical trial
preclinical test
preclinical phase | a laboratory test of a new drug or a new invasive medical device on animal subjects, conducted to gather evidence justifying a clinical trial |
| phase-out | the act or instance of a planned discontinuation |
| phase | (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 |
phase modulation
PM | modulation of the phase of the carrier wave |
preliminary prospectus
red herring | a first draft of a prospectus, must be clearly marked to indicate that parts may be changed in the final prospectus, because some portions of the cover page are printed in red ink a preliminary prospectus is sometimes called a red herring |
preliminary examination
preliminary exam
prelim | an examination taken by graduate students to determine their fitness to continue |
preliminary overture
prelude | something that serves as a preceding event or introduces what follows, training is a necessary preliminary to employment, drinks were the overture to dinner |
preliminary
prelim | a minor match preceding the main event |
phase change
phase transition
state change
physical change | a change from one state (solid or liquid or gas) to another without a change in chemical composition |
| phase of cell division | a stage in meiosis or mitosis |
phase
form | (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 |
dispersed phase
dispersed particles | (of colloids) a substance in the colloidal state |
dispersing phase
dispersion medium
dispersing medium | (of colloids) a substance in which another is colloidally dispersed |
anal stage
anal phase | (psychoanalysis) the second sexual and social stage of a child's development during which bowel control is learned |
genital stage
genital phase | (psychoanalysis) the fifth sexual and social stage in a person's development occurring during adolescence, interest focuses on sexual activity |
latency stage
latency phase
latency period | (psychoanalysis) the fourth period (from about age or until puberty) during which sexual interests are supposed to be sublimated into other activities |
oral stage
oral phase | (psychoanalysis) the first sexual and social stage of an infant's development, the mouth is the focus of the libido and satisfaction comes from suckling and chewing and biting |
phallic stage
phallic phase | (psychoanalysis) the third stage in a child's development when awareness of and manipulation of the genitals is supposed to be a primary source of pleasure |
| phase of the moon | a time when the Moon presents a particular recurring appearance |
new moon
new phase of the moon | the time at which the Moon appears as a narrow waxing crescent |
full moon
full-of-the-moon
full phase of the moon
full | the time when the Moon is fully illuminated, the moon is at the full |
fertile period
fertile phase | the time in the menstrual cycle when fertilization is most likely to be possible ( days before to days after ovulation) |
| menstrual phase | the phase of the menstrual cycle during which the lining of the uterus is shed (the first day of menstrual flow is considered day of the menstrual cycle) |
secretory phase
luteal phase | the second half of the menstrual cycle after ovulation, the corpus luteum secretes progesterone which prepares the endometrium for the implantation of an embryo, if fertilization does not occur then menstrual flow begins |
| phase phase angle | a particular point in the time of a cycle, measured from some arbitrary zero and expressed as an angle |
phase
stage | 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 |
| phase | adjust so as to be in a synchronized condition, he phased the intake with the output of the machine |
| phase in | introduce gradually |
| phase out | terminate gradually |
| phase | arrange in phases or stages, phase a withdrawal |
| preliminary | denoting an action or event preceding or in preparation for something more important, designed to orient or acquaint with a situation before proceeding, a preliminary investigation |