noun
definition
Any physical property that can be observed and measured directly and not derived from other properties
example
Temperature is an observable but entropy is derived.
adjective
definition
Able to be observed.
example
The strange new star was at the edge of the observable universe.
definition
Deserving to be observed; worth regarding; remarkable.
Examples of observable in a Sentence
A great upward movement has, however, been observable since 1863.
Many more modifications are observable in different groups of which the great family Terebratulidae is composed.
A too frequent allusion to Greek mythological names is a defect sometimes observable in his writings.
The unity of style observable may belong quite as much to the school and the method as to the individual."
These theorems may prove useful in preliminary calculations where the pressure-curve is nearly straight; but, in the absence of any observable law, the area of the pressure-curve must be read off by a planimeter, or calculated by Simpson's rule, as an indicator diagram.
The deeper tints are, however, peculiar to the nuptial plumage, or are only to be faintly traced at other times, so that in winter the adults - and the young always - have a much plainer appearance, ashy-grey and white being almost the only hues observable.
If the change of temperature progressed uniformly from one side to the other, the result would be a lateral displacement of the image without loss of definition; but in general both effects would be observable.
Some of the central cells remain in clumps as "germ-balls," others form a mesenchyma in which "flame-cells" arise; others again give rise to muscles; and at the thicker end of the body, rudiments of the brain and digestive system are observable.
Thereafter little further change is observable, although the rich lands of Egypt must have attracted foreigners from all parts.
The chemical changes that accompany activity in the nerve fibre must be very small, for the production of CO 2 is barely measurable, and no production of heat is observable as the result of the most forced tetanic activity.
In Naccaria, one of the Gelidiaceae, it is observable that the ooblastema filament, as the tube arising from the fertilized carpogonium has been called, fuses completely with a cell contiguous to the carpogonium before giving rise to the foraging filaments already refered to.
In Perth, Fife, Forfar and Aberdeen the average was 30%; but in nearly all the counties, towards the end at least of the period of depression, the coexistent demand and competition for farms were observable.
In the teaching of the sophists of this younger generation two points are observable.
The stars chosen were those with centennial proper motions greater than 40", observable at Yale, and not hitherto attacked.
There is still a certain difference observable, however, in so far as the speculative mystic remains primarily concerned with the theory of the soul's relation to God, while the theosophist gives his thoughts a wider scope, and frequently devotes himself to the elaboration of a fantastic philosophy of nature.
In the second half a still greater decline is observable, and by the third quarter the disease had disappeared or was disappearing from a great part of western Europe.
Without doubt, too, much of the chronological confusion observable throughout Livy is due to the fact that he follows now one now another authority, heedless of their differences on this head.
A similar process is observable in the German protectorates, which are treated for some purposes as " inland," and not foreign territory (Der koloniale Inlandsand Auslands-begrif, Zeitschrift filr Kolonialrecht, 1907, p. 3 11).
It is observable that most of the abuses which are remedied by it are regarded as having sprung up since the accession of Henry II.; but the most offensive afforestations have been made under Richard and John.
In "frilling" or "frilled structure" the folds have still smaller amplitude, and in many highly corrugated rocks minute folds are observable with the microscope that do not appear to the unaided eye.
In the progeny of these crossed wheats, especially in the second generation, much variation and difference of character is observable - a phenomenon commonly noticed in the descendants from crosses and hybrids, and styled by Naudin "irregular variation."
On the other hand if our belief in the necessity of causal connexion is the result of custom, to custom will be due also the belief in a necessity governing human actions observable everywhere in men's ordinary opinions and practice.
The mistake of earlier advocates of determinism lay in the supposition that self-conscious moral action could be explained by the use of the same categories and upon the same hypotheses usually considered sufficient to explain the causal sequences observable in the physical world.
The extent and permanence of the Danish influence in Lincolnshire is still observable in the names of its towns and villages and in the local dialect, and, though about 918 the confederate boroughs were recaptured by Edward the Elder, in 993 a Viking fleet again entered the Humber and ravaged Lindsey, and in 1013 the district of the five boroughs acknowledged the supremacy of Sweyn.
In Europe similar progress is observable; technical schools, with well-equipped apiaries attached, are supported by the state, and in them the science and practice of modern bee-keeping is taught free by scientists and practical experts.
It is not possible to recognize the exact form of the minute objects because their apparent size is much too small; only their presence is observable.
The structure is in all respects that typical of roots, as shown by the centripetal primary wood, and the alternation of xylem and phloem groups observable in exceptionally favourable young specimens.
Apomorphine is essentially a muscle poison, but owing to the fact that minute 'doses stimulate the vomiting centre and cause emesis before any other symptoms are observable, its emetic action is the most prominent effect in man.
The observable effects of drinking alcohol are directly related to the blood alcohol concentration.
Many climatologists believe that the decline in mountain glaciers is one of the first observable signs of human-induced global warming.
Finally, the partons are translated into observable hadrons using phenomenological models.
The difficulty thereby lies in the harnessing of the quantum interference, which will determine the observable state.
In fact, Eberlein says, sonoluminescence may represent the first observable manifestation of quantum vacuum radiation.
The manager professed to believe that shots might lawfully be fired at any time unless gas was observable at the actual time of blasting.
These images complement light microscopic images by revealing structural detail not observable by light microscopy.
Social identity may not necessarily be objectively observable - it may be largely a subjective construction.
It does enable us to focus on the readily observable aspects of users ' behavior.
The scientific domain is that of publicly observable objects in shared public space.
First, social action is not ' directly observable ' .
Thus, making an ELMS environment fully or partially observable is a designer's decision.
The planet should become observable to the naked eye in the morning sky from the commencement of the second week in September.
The properties available for analysis are constrained by the set of actions that remain globally observable.
The most distant objects seen are small blue irregular clouds, which lie close to the edge of the observable universe.
He brought all the " observable things," which the eager collectors of the previous century had been heaping together regardless of order or system, into relation with the vertical relief and the horizontal forms of the earth's surface.
Huxley, to the delight of an appreciative audience, delivered at the Royal College of Surgeons of England a course of lectures on birds, and a few weeks after presented an abstract of his researches to the Zoological Society, in whose Proceedings for the same year it will be found printed (pp. 415-472) as a paper " On the Classification of Birds, and on the taxonomic value of the modifications of certain of the cranial bones observable in that Class."
An effect similar to drift is observable at tennis, golf, base-ball and cricket; but this effect is explainable by the inequality of pressure due to a vortex of air carried along by the rotating ball, and the deviation is in the opposite direction of the drift observed in artillery practice, so artillerists are still awaiting theory and crucial experiment.
Further, he showed that the spectrum of a dense ignited gas resembles that of an incandescent liquid or solid, and he traced a gradual change in the spectrum of an incandescent gas under increasing pressure, the sharp lines observable when it is extremely attenuated broadening out to nebulous bands as the pressure rises, till they merge in the continuous spectrum as the gas approaches a density comparable with that of the liquid state.
The claim is that the allocation itself of observable algebras to finite space-time regions suffices to account for the physical meaning of observables.
The major observable difference between the jerking of benign sleep myoclonus and an actual seizure is that the former will stop as soon as the affected infant is woken up.
This observable pattern points to the fact that there are others factors, such as parental reinforcement, that influence the adoption of sex-typed behavior.