course session class period recitation | a regularly scheduled session as part of a course of study |
field-effect transistor FET | a transistor in which most current flows in a channel whose effective resistance can be controlled by a transverse electric field |
hovercraft ground-effect machine | a craft capable of moving over water or land on a cushion of air created by jet engines |
period piece | any work of art whose special value lies in its evocation of a historical period |
impression effect | an outward appearance, he made a good impression, I wanted to create an impression of success, she retained that bold effect in her reproductions of the original painting |
effect force | (of a law) having legal validity, the law is still in effect |
law of effect | (psychology) the principle that behaviors are selected by their consequences, behavior having good consequences tends to be repeated whereas behavior that leads to bad consequences is not repeated |
effect | an impression (especially one that is artificial or contrived), he just did it for effect |
sound effect | an effect that imitates a sound called for in the script of a play |
special effect | an effect used to produce scenes that cannot be achieved by normal techniques (especially on film) |
stage effect | a special effect created on the stage |
effect essence burden core gist | the central meaning or theme of a speech or literary work |
period point full stop stop full point | a punctuation mark (.) placed at the end of a declarative sentence to indicate a full stop or after abbreviations, in England they call a period a stop |
age group age bracket cohort | a group of people having approximately the same age |
cohort | a band of warriors (originally a unit of a Roman Legion) |
cohort | a company of companions or supporters |
consequence effect outcome result event issue upshot | a phenomenon that follows and is caused by some previous phenomenon, the magnetic effect was greater when the rod was lengthwise, his decision had depressing consequences for business, he acted very wise after the event |
bandwagon effect | the phenomenon of a popular trend attracting even greater popularity, in periods of high merger activity there is a bandwagon effect with more and more firms seeking to engage in takeover activity, polls are accused of creating a bandwagon effect to benefit their candidate |
butterfly effect | the phenomenon whereby a small change at one place in a complex system can have large effects elsewhere, e.g., a butterfly flapping its wings in Rio de Janeiro might change the weather in Chicago |
coattails effect | (politics) the consequence of one popular candidate in an election drawing votes for other members of the same political party, he counted on the coattails effect to win him the election |
Coriolis effect | (physics) an effect whereby a body moving in a rotating frame of reference experiences the Coriolis force acting perpendicular to the direction of motion and to the axis of rotation, on Earth the Coriolis effect deflects moving bodies to the right in the northern hemisphere and to the left in the southern hemisphere |
domino effect | the consequence of one event setting off a chain of similar events (like a falling domino causing a whole row of upended dominos to fall) |
knock-on effect | a secondary or incidental effect |
placebo effect | any effect that seems to be a consequence of administering a placebo, the change is usually beneficial and is assumed result from the person's faith in the treatment or preconceptions about what the experimental drug was supposed to do, pharmacologists were the first to talk about placebo effects but now the idea has been generalized to many situations having nothing to do with drugs |
position effect | (genetics) the effect on the expression of a gene that is produced by changing its location in a chromosome |
side effect fallout | any adverse and unwanted secondary effect, a strategy to contain the fallout from the accounting scandal |
ground effect | apparent increase in aerodynamic lift experienced by an aircraft flying close to the ground |
greenhouse effect greenhouse warming | warming that results when solar radiation is trapped by the atmosphere, caused by atmospheric gases that allow sunshine to pass through but absorb heat that is radiated back from the warmed surface of the earth |
piezoelectricity piezoelectric effect piezo effect | electricity produced by mechanical pressure on certain crystals (notably quartz or Rochelle salt), alternatively, electrostatic stress produces a change in the linear dimensions of the crystal |
skin effect | the tendency of high-frequency alternating current to distribute near the surface of a conductor |
Doppler effect Doppler shift | change in the apparent frequency of a wave as observer and source move toward or away from each other |
Tyndall effect | the phenomenon in which light is scattered by very small particles in its path, it makes a beam of light visible, the scattered light is mainly blue |
menstruation menses menstruum catamenia period flow | the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause, the women were sickly and subject to excessive menstruation, a woman does not take the gout unless her menses be stopped--Hippocrates, the semen begins to appear in males and to be emitted at the same time of life that the catamenia begin to flow in females--Aristotle |
effect | a symptom caused by an illness or a drug, the effects of sleep loss, the effect of the anesthetic |
side effect | a secondary and usually adverse effect of a drug or therapy, severe headaches are one of the side effects of the drug |
time period period of time period | an amount of time, a time period ofyears, hastened the period of time of his recovery, Picasso's blue period |
trial period test period | a period of time during which someone or something is tested |
Quaternary Quaternary period Age of Man | last million years |
Tertiary Tertiary period | from million to million years ago |
Cretaceous Cretaceous period | from million to million years ago, end of the age of reptiles, appearance of modern insects and flowering plants |
Jurassic Jurassic period | frommillion to million years ago, dinosaurs, conifers |
Triassic Triassic period | frommillion tomillion years ago, dinosaurs, marine reptiles, volcanic activity |
Permian Permian period | frommillion tomillion years ago, reptiles |
Carboniferous Carboniferous period | from million tomillion years ago |
Pennsylvanian Pennsylvanian period Upper Carboniferous Upper Carboniferous period | frommillion tomillion years ago, warm climate, swampy land |
Mississippian Missippian period Lower Carboniferous Lower Carboniferous period | from million tomillion years ago, increase of land areas, primitive ammonites, winged insects |
Devonian Devonian period Age of Fishes | frommillion to million years ago, preponderance of fishes and appearance of amphibians and ammonites |
Silurian Silurian period | from million tomillion years ago, first air-breathing animals |
Ordovician Ordovician period | from million to million years ago, conodonts and ostracods and algae and seaweeds |
Cambrian Cambrian period | from million to about million years ago, marine invertebrates |