| 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 |
| foul-weather gear | protective garment that is intended to keep the wearer dry and warm in bad weather |
sheet tack mainsheet
weather sheet
shroud | (nautical) a line (rope or chain) that regulates the angle at which a sail is set in relation to the wind |
weather deck
shelter deck | upper deck having no overhead protection from the weather, but sheltering the deck below |
weather map
weather chart | (meteorology) a map showing the principal meteorological elements at a given time and over an extended region |
| weather radar | radar that is able to detect clouds and precipitation |
weather satellite
meteorological satellite | a satellite that transmits frequent picture of the earth below |
| weather ship | an oceangoing vessel equipped to make meteorological observations |
weather strip
weatherstrip
weather stripping
weatherstripping | a narrow strip of material to cover the joint of a door or window to exclude the cold |
weathervane
weather vane
vane
wind vane | mechanical device attached to an elevated structure, rotates freely to show the direction of the wind |
watchfulness
vigilance
weather eye | vigilant attentiveness, he keeps a weather eye open for trouble |
| 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 |
meteorology
weather forecasting | predicting what the weather will be |
weather forecast
weather outlook | a forecast of the weather |
| National Weather Service | the federal agency in the National Oceanic and Atmospheric Administration that is responsible for weather forecast and preparation of weather maps |
| weather bureau | an administrative unit responsible for gathering and interpreting meteorological data for weather study and forecasts |
meteorological observation post
weather station | one of a network of observation posts where meteorological data is recorded |
weatherman
weather forecaster | predicts the weather |
| cold weather | a period of unusually cold weather |
fair weather
sunshine temperateness | moderate weather, suitable for outdoor activities |
| hot weather | a period of unusually high temperatures |
weather
weather condition
conditions
atmospheric condition | the atmospheric conditions that comprise the state of the atmosphere in terms of temperature and wind and clouds and precipitation, they were hoping for good weather, every day we have weather conditions and yesterday was no exception, the conditions were too rainy for playing in the snow |
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 |
to windward
windward side
weatherboard
weather side | the side toward the wind |
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 |
| good weather | weather suitable for outdoor activities |
bad weather
inclemency
inclementness | weather unsuitable for outdoor activities |
| raw weather | unpleasantly cold and damp weather |
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 |