substance | the real physical matter of which a person or thing consists, DNA is the substance of our genes |
substance | a particular kind or species of matter with uniform properties, shigella is one of the most toxic substances known to man |
substance abuse drug abuse habit | excessive use of drugs |
controlled substance | a drug or chemical substance whose possession and use are controlled by law |
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 |
psychoactive drug mind-altering drug consciousness-altering drug psychoactive substance | a drug that can produce mood changes and distorted perceptions |
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 |
body substance | the substance of the body |
solid body substance | the solid parts of the body |
liquid body substance bodily fluid body fluid humor humour | the liquid parts of the body |
protoplasm living substance | the substance of a living cell (including cytoplasm and nucleus) |
hyaloplasm ground substance | the clear nongranular portion of the cytoplasm of a cell |
grey matter gray matter grey substance gray substance substantia grisea | greyish nervous tissue containing cell bodies as well as fibers, forms the cerebral cortex consisting of unmyelinated neurons |
matrix intercellular substance ground substance | the body substance in which tissue cells are embedded |
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 |
meaning substance | the idea that is intended, What is the meaning of this proverb? |
kernel substance core center centre essence gist heart heart and soul inwardness marrow meat nub pith sum nitty-gritty f a e a c | the choicest or most essential or most vital part of some idea or experience, the gist of the prosecutor's argument, the heart and soul of the Republican Party, the nub of the story |
message content subject matter substance | what a communication that is about something is about |
effect essence burden core gist | the central meaning or theme of a speech or literary work |
drug user substance abuser user | a person who takes drugs |
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 |
effects personal effects | property of a personal character that is portable but not used in business, she left some of her personal effects in the house, I watched over their effects until they returned |
means substance | considerable capital (wealth or income), he is a man of means |
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 |
substance | material of a particular kind or constitution, the immune response recognizes invading substances |
chemical chemical substance | material produced by or used in a reaction involving changes in atoms or molecules |
lubricant lubricator lubricating substance lube | a substance capable of reducing friction by making surfaces smooth or slippery |
synthetic synthetic substance | a compound made artificially by chemical reactions |