What's the difference between astrometer and magnitude?
Astrometer
Definition:
(n.) An instrument for comparing the relative amount of the light of stars.
Example Sentences:
Magnitude
Definition:
(n.) Extent of dimensions; size; -- applied to things that have length, breath, and thickness.
(n.) That which has one or more of the three dimensions, length, breadth, and thickness.
(n.) Anything of which greater or less can be predicated, as time, weight, force, and the like.
(n.) Greatness; grandeur.
(n.) Greatness, in reference to influence or effect; importance; as, an affair of magnitude.
Example Sentences:
(1) Multiple overlapping thin 3D slab acquisition is presented as a magnitude contrast (time of flight) technique which combines advantages from multiple thin slice 2D and direct 3D volume acquisitions to obtain high-resolution cross-sectional images of vessel detail.
(2) Thus, our study confirmed that male subjects with a history of testicular maldescent have an increased risk for testis cancer, although the magnitude of this risk was lower than suggested previously.
(3) In addition, despite the fact that the differences constitutes an information bias, the bias occurs in the same direction and magnitude in all the various subgroups and thus is nondifferential.
(4) The Pan American Health Organization, the Americas arm of the World Health Organization, estimated the deaths from Tuesday's magnitude 7 quake at between 50,000 and 100,000, but said that was a "huge guess".
(5) Problems associated with school-based clinics include vehement opposition to sex education, financing, and the sheer magnitude of the adolescents' health needs.
(6) The kinetic parameters for the hydrolysis of type I, II and III collagens have been measured and are similar in magnitude to those for the tissue collagenases.
(7) The second order rate constant for the association of Meumb-glycosides follows a pattern consistent with the magnitude of the activation energies involved therin.
(8) 3) The magnitude of K+ release is the ratio of two opposing mechanisms, a passive efflux and an active reuptake.
(9) When histamine (5 micrograms) was injected into three different levels of the ventricular system, the magnitude and duration of the resulting increases in plasma epinephrine and glucose were in the following rank order: the third ventricle greater than aqueduct much greater than fourth ventricle.
(10) The junctional currents were already constant 1 ms after step changes in the junctional voltage; this was three orders of magnitude faster than the other known examples of voltage-controlled gap junctions between embryonic cells.
(11) The magnitude and pattern of the acute-phase protein response was then compared with the local inflammatory reaction, assessed histologically, and with changes in the circulating concentration of interleukin-6, which is an important mediator of the acute-phase protein response.
(12) This lack of symmetry in shape and magnitude may be due to non-sphericity of the skull over the temporal region or to variations in conductivities of intervening tissues.
(13) The magnitude of erythropoietin-induced [Cai] increase, however, was insufficient to open Ca(2+)-activated K+ channels.
(14) The relationship existing between the magnitude of the stimulus and that of the response has been carefully studied for all the parameters.
(15) ODC attained maximum activity in controls on day 11, increasing by more than an order of magnitude above the activity found on day 9.
(16) It is suggested that this human model of unloading could serve to simulate effects of microgravity on skeletal muscle mass and function because reductions in muscle mass and strength were of similar magnitude to those produced by bed rest.
(17) The infusion of sodium acetoacetate resulted in a 10- to 15-fold increase in circulating concentrations of ketone bodies, which were similar in magnitude in normal subjects and diabetic patients.
(18) Ecological risk assessments are used by the US Environmental Protection Agency (US EPA) and other governmental agencies to assist in determining the probability and magnitude of deleterious effects of hazardous chemicals on plants and animals.
(19) The magnitude of the consequent inflammatory response was assessed by counting numbers and types of leukocytes in the bronchoalveolar lavage fluid.
(20) The program can produce solutions identical to those derived by a model-based expert system for the same domain, but with an increase of two orders of magnitude in efficiency.