| reaction | doing something in opposition to another way of doing it that you don't like, his style of painting was a reaction against cubism |
reaction
response | a bodily process occurring due to the effect of some antecedent stimulus or agent, a bad reaction to the medicine, his responses have slowed with age |
immune response
immune reaction
immunologic response | a bodily defense reaction that recognizes an invading substance (an antigen: such as a virus or fungus or bacteria or transplanted organ) and produces antibodies specific against that antigen |
anamnestic response
anamnestic reaction | renewed rapid production of an antibody on the second (or subsequent) encounter with the same antigen |
reflex
reflex response
reflex action
instinctive reflex
innate reflex
inborn reflex
unconditioned reflex
physiological reaction | an automatic instinctive unlearned reaction to a stimulus |
conditional reflex
conditioned reflex
acquired reflex
conditional reaction
conditioned reaction
conditional response
conditioned response | an acquired response that is under the control of (conditional on the occurrence of) a stimulus |
learned reaction
learned response | a reaction that has been acquired by learning |
startle response
startle reaction | a complicated involuntary reaction to a sudden unexpected stimulus (especially a loud noise), involves flexion of most skeletal muscles and a variety of visceral reactions |
| transfusion reaction | reaction of the body to a transfusion of blood that is not compatible with its own blood, an adverse reaction can range from fever and hives to renal failure and shock and death |
woolly alder aphid
Prociphilus tessellatus | attacks alders |
alderfly
alder fly
Sialis lutaria | darkolored insect having predaceous aquatic larvae |
reaction-propulsion engine
reaction engine | a jet or rocket engine based on a form of aerodynamic propulsion in which the vehicle emits a high-speed stream |
| reaction turbine | a turbine with blades arranged to develop torque from gradual decrease of steam pressure from inlet to exhaust |
Wassermann test
Wasserman reaction
Wassermann | a blood test to detect syphilis, a complement fixation test is used to detect antibodies to the syphilis organism treponema, a positive reaction indicates the presence of antibodies and therefore syphilis infection |
construction
mental synthesis | the creation of a construct, the process of combining ideas into a congruous object of thought |
deduction
deductive reasoning
synthesis | reasoning from the general to the particular (or from cause to effect) |
synthesis
synthetic thinking | the combination of ideas into a complex whole |
third law of motion
Newton's third law of motion
Newton's third law
law of action and reaction | action and reaction are equal and opposite |
| reaction | an idea evoked by some experience, his reaction to the news was to start planning what to do |
| reaction | extreme conservatism in political or social matters, the forces of reaction carried the election |
Irish National Liberation Army
INLA
People's Liberation Army
People's Republican Army
Catholic Reaction Force | a radical terrorist group dedicated to the removal of British forces from Northern Ireland and the unification of Ireland |
| reaction | a response that reveals a person's feelings or attitude, he was pleased by the audience's reaction to his performance, John feared his mother's reaction when she saw the broken lamp |
| reaction | (mechanics) the equal and opposite force that is produced when any force is applied to a body, every action has an equal and opposite reaction |
| reaction propulsion | propulsion that results from the ejection at high velocity of a mass of gas to which the vehicle reacts with an equal and opposite momentum |
Clethraceae
family Clethraceae
white-alder family | coextensive with the genus Clethra |
sweet pepperbush
pepper bush
summer sweet
white alder Clethra alnifolia | shrub of eastern and southern coastal United States having beautiful racemes of spice-scented white flowers |
alder
alder tree | north temperate shrubs or trees having toothed leaves and conelike fruit, bark is used in tanning and dyeing and the wood is rotesistant |
| alder | wood of any of various alder trees, resistant to underwater rot, used for bridges etc |
common alder
European black alder
Alnus glutinosa
Alnus vulgaris | medium-sized tree with brown-black bark and woody fruiting catkins, leaves are hairy beneath |
grey alder
gray alder
Alnus incana | native to Europe but introduced in America |
seaside alder
Alnus maritima | shrub or small tree of southeastern United States having soft light brown wood |
| white alder mountain alder Alnus rhombifolia | tree of western United States |
red alder
Oregon alder
Alnus rubra | large tree of Pacific coast of North America having hard red wood much used for furniture |
speckled alder
Alnus rugosa | common shrub of Canada and northeastern United States having shoots scattered with rustolored down |
smooth alder
hazel alder
Alnus serrulata | common shrub of the eastern United States with smooth bark |
| green alder Alnus veridis | shrub of mountainous areas of Europe |
green alder Alnus veridis crispa
Alnus crispa | North American shrub with light green leaves and winged nuts |
fothergilla
witch alder | any of several deciduous low-growing shrubs of the genus Fothergilla having showy brushlike spikes of white flowers in spring and fiery red and orange autumn color, grows from Alabama to the Allegheny Mountains |
alderleaf Juneberry
alder-leaved serviceberry
Amelanchier alnifolia | shrub or small tree of northwestern North America having fragrant creamy white flowers and small waxy purpleed fruits |
mountain maple
mountain alder Acer spicatum | small shrubby maple of eastern North America, scarlet in autumn |
alder buckthorn
alder dogwood
Rhamnus frangula | small tree common in Europe |
| addition reaction | a chemical reaction in which one molecule is added to another |
| aldol reaction | a reaction of aldehydes resulting in an aldol |
| chain reaction | a series of chemical reactions in which the product of one is a reactant in the next |
| chain reaction | a self-sustaining nuclear reaction, a series of nuclear fissions in which neutrons released by splitting one atom leads to the splitting of others |
chemical reaction
reaction | (chemistry) a process in which one or more substances are changed into others, there was a chemical reaction of the lime with the ground water |
decomposition decomposition reaction
chemical decomposition reaction | (chemistry) separation of a substance into two or more substances that may differ from each other and from the original substance |
defense mechanism
defense reaction
defence mechanism
defence reaction
defense
defence | (psychiatry) an unconscious process that tries to reduce the anxiety associated with instinctive desires |
| displacement displacement reaction | (chemistry) a reaction in which an elementary substance displaces and sets free a constituent element from a compound |
double decomposition
double decomposition reaction
metathesis | a chemical reaction between two compounds in which parts of each are interchanged to form two new compounds (ABCDADCB) |