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 |
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 |
lagging | used to wrap around pipes or boilers or laid in attics to prevent loss of heat |
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 |