law (law) a uniform or constant fact or principle.
law(s),
Allen's paradoxic law the more sugar a normal person is given the more is utilized; the reverse is true in diabetics.
all-or-none law see all or none.
Beer's law , Beer-Lambert law in spectrophotometry, the absorbance of a solution is proportional to the concentration of the absorbing solute and to the path length of the light beam through the solution.
Boyle's law at a constant temperature the volume of a perfect gas varies inversely as the pressure, and the pressure varies inversely as the volume.
Charles' law at a constant pressure the volume of a given mass of a perfect gas varies directly with the absolute temperature.
law of conservation of energy in any given system the amount of energy is constant; energy is neither created nor destroyed, but only transformed from one form to another.
law of conservation of mass , law of conservation of matter mass (or matter) can be neither created nor destroyed; this law can be violated on the microscopic level.
Dalton's law the pressure exerted by a mixture of nonreacting gases is equal to the sum of the partial pressures of the separate components; it holds true only at very low pressures.
Hellin's law , Hellin-Zeleny law one in about 89 pregnancies ends in the birth of twins; one in 89 × 89 (7921), of triplets; one in 89 × 89 × 89 (704,969), of quadruplets.
Henry's law the solubility of a gas in a liquid solution at a constant temperature is proportional to the partial pressure of the gas above the solution.
law of independent assortment genes that are not alleles are distributed to the gametes independently of one another; one of Mendel's laws.
Mendel's laws , mendelian laws two laws of inheritance of single-gene traits that form the basis of genetics; the law of segregation and the law of independent assortment.
Nysten's law rigor mortis affects first the muscles of mastication, next those of the face and neck, then those of the trunk and arms, and last those of the legs and feet.
Ohm's law the strength of an electric current varies directly as the electromotive force and inversely as the resistance.
Raoult's law the vapor pressure of a volatile component of an ideal solution is equal to the mole fraction of that substance in solution times its vapor pressure in the pure state at the temperature of the solution; it is true only for ideal solutions and ideal gases.
law of segregation the members of a pair of allelic genes segregate from one another and pass to different gametes; one of Mendel's laws.
law of similars in homeopathy, the principle that a substance that in large doses will produce symptoms of a specific disease will, in extremely small doses, cure it.
laws of thermodynamics Zeroth law: two systems in thermal equilibrium with a third are in thermal equilibrium with each other. First law: energy is conserved in any process. Second law: there is always an increase in entropy in any naturally occurring (spontaneous) process. Third law: absolute zero is unattainable.
Dal·ton's law (dôl t nz)n. A principle that each gas in a mixture of gases exerts a pressure proportionately to the percentage of the gas and independently of the presence of the other gases present. Also called law of partial pressures. |
law(s),
n 1. that which is laid down or established. An enforceable rule of conduct.
n.pl 2. that which must be obeyed and followed by citizens, subject to sanctions or legal consequences. The term is also used in opposition to fact. E.g., in a lawsuit, questions of law are to be decided by the court, whereas the jury decides questions in fact.
n.pl 2. that which must be obeyed and followed by citizens, subject to sanctions or legal consequences. The term is also used in opposition to fact. E.g., in a lawsuit, questions of law are to be decided by the court, whereas the jury decides questions in fact.
law, administrative,
n a set of specific rules and regulations overseen by an administrative agency in order to enforce the law.
law, case,
n the use of citations of previous court opinions in a court case, taken from the court decisions published by the state and federal government.
law, Charles's,
n the principle that states that all gases expand equally upon heating and contract equally upon cooling.
law, constitutional,
n the set of supreme laws set out in the U.S. Constitution. All other state and federal laws must be in accordance with the laws of the Constitution. The Constitution designates the roles of the three branches of government as well as setting forth which areas of law are in federal jurisdiction and which are left to the states.
law, Dalton's,
n the principle that states that the pressure of a mixture of gases equals the sum of the partial pressures of the constituent gases.
law, ignorance of,
n a want of knowledge or acquaintance with the laws of the land insofar as they apply to the act, relation, duty, or matter under consideration.
law, inverse-square,
n principle stating that the strength of radiation from a point source varies inversely as the square of the distance.
law, judicial,
n the interpretation of the written law by the courts. Decisions are often based on
stare decisis, the doctrine that allows the court to follow the decision made in a previous case in the same jurisdiction. A departure from the legal precedents is known as a landmark decision.
stare decisis, the doctrine that allows the court to follow the decision made in a previous case in the same jurisdiction. A departure from the legal precedents is known as a landmark decision.
law, moral,
n the aggregate of rules and principles of ethics that relate to right and wrong conduct and prescribe the standards to which the actions of persons should conform in their dealings with each other.
law, neurologic,
n See law of specific energy.
law of radiosensitivity, BergonieTribondeau
(ber´gonē´ trebondō´),
n.pr law stating that the resistance or sensitivity to radiation depends on the metabolic state of a cell, tissue, or an organ.
n.pr law stating that the resistance or sensitivity to radiation depends on the metabolic state of a cell, tissue, or an organ.
law of specific energy (neurologic law),
n principle that states, in essence, that sensory quality is perceived according to the nerve that is excited, not according to the object that excites. If pressure placed on the eyeballs stimulates the retina, light is perceived, not pressure; similarly, electrical stimulation will produce sensations of smell, taste, touch, or pain in accordance with the nerve stimulated but not a sensation of electricity as such. The special as well as the general senses maintain this principle.
law, tort,
n an area of law that deals with civil wrongs perpetrated against another person or private property. The primary concerns in dentistry are negligence and malpractice. A lapse in professional standards may be subject to proceedings for negligence or malpractice.
law, Wolff's,
n principle that states that all changes in the function of bone are attended by definite alterations in its internal structure.
law(s), written,
n/n.pl the law or laws created by express legislation or enactment, as distinguished from
unwritten or
common law, which includes all law or laws from any other legal source.
unwritten or
common law, which includes all law or laws from any other legal source.
Dalton's law
the pressure exerted by a mixture of nonreacting gases is equal to the sum of the partial pressures of the separate components.
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