(n.) That branch of science which treats of the composition of substances, and of the changes which they undergo in consequence of alterations in the constitution of the molecules, which depend upon variations of the number, kind, or mode of arrangement, of the constituent atoms. These atoms are not assumed to be indivisible, but merely the finest grade of subdivision hitherto attained. Chemistry deals with the changes in the composition and constitution of molecules. See Atom, Molecule.
(n.) An application of chemical theory and method to the consideration of some particular subject; as, the chemistry of iron; the chemistry of indigo.
(n.) A treatise on chemistry.
Example Sentences:
(1) It may be due to relative nonreactivity of ascorbic acid free radical that free radical chain reactions, found commonly in radical chemistry, do not occur in the scavenging reaction by ascorbic acid.
(2) We have determined by protein chemistry methods the amino acid sequence of light chain 2 from Acanthamoeba castellanii myosin-II (ALC2).
(3) Reduced mineral absorption is fairly well documented and has sound theoretical support from basic chemistry.
(4) The chemistry involved reaction rate constant measurements of MSF hydrolysis and for reactions with phenolic, amine, oxime, hydroxamic acid, phenyl N-hydroxycarbamate, and hydroxylamine compounds and cupric imidazole and bipyridyl complexes.
(5) We support the view that catalysis by metalloenzymes may be a reflection of the chemistry of the metal ion itself as a Lewis acid, and that perhaps too much emphasis has been placed on supposed special characteristics (such as strains, "entasis") of the enzyme-metal ion association.
(6) Ion cyclotron resonance spectroscopy yields information on many aspects of ion-molecule chemistry.
(7) --The frequency of common clinical manifestations (eg, headache, fever, and rash) and laboratory findings (eg, leukocyte and platelet counts and serum chemistry abnormalities) of patients with infectious diseases was tabulated.
(8) The reason we have postulated that one-electron oxidation plays an important role in the activation of PAH derives from certain common characteristics of the radical cation chemistry of the most potent carcinogenic PAH.
(9) The fact that sulfinate salts show activity, both ip and po, suggests that the -SO2Na moiety deserves more attention in medicinal chemistry.
(10) Overall adverse reactions were more frequent with the high dose group especially with respect to blood chemistry and gastrointestinal reactions.
(11) There were no significant effects on the haematology, serum chemistry and urinalysis and no compound-related effects on survival.
(12) In a report published online by the journal Atmospheric Chemistry and Physics , experts from Europe and the US estimated that the quantity of the radioactive isotope caesium-137 released at the height of the crisis was equivalent to 42% of that from Chernobyl.
(13) Physiological chemistry stayed a part of physiology until 1939 when the Institute of Physiological Chemistry was finally founded.
(14) Organosilicon chemistry is easily understood because a few generalizations allow us to compare it with the chemistry of carbon, hydrogen and the metals.
(15) Unfortunately, few reflections concern the definition of this criterion, which often is little discussed in the other divisions of the pure and applied chemistry.
(16) Research Institute of Endocrinology and Hormone Chemistry, Khar'kov It was shown that realization of a neoplastic process in the breast is determined, in particular, by the chemical structure of agents employed and their dosage.
(17) There was no change in blood counts or serum chemistry values.
(18) Preoperatively, blood chemistry studies were done in addition to palpation of the abdomen.
(19) Hematologic and clinical chemistry values were similar for all groups.
(20) The TN of some fishes and mammals contains neurons immunoreactive (ir) to gonadotropin-releasing hormone (LHRH), and to several other neuropeptides and neurotransmitter systems, but there is little information on TN chemistry in other vertebrate taxa.
Science
Definition:
(n.) Knowledge; knowledge of principles and causes; ascertained truth of facts.
(n.) Accumulated and established knowledge, which has been systematized and formulated with reference to the discovery of general truths or the operation of general laws; knowledge classified and made available in work, life, or the search for truth; comprehensive, profound, or philosophical knowledge.
(n.) Especially, such knowledge when it relates to the physical world and its phenomena, the nature, constitution, and forces of matter, the qualities and functions of living tissues, etc.; -- called also natural science, and physical science.
(n.) Any branch or department of systematized knowledge considered as a distinct field of investigation or object of study; as, the science of astronomy, of chemistry, or of mind.
(n.) Art, skill, or expertness, regarded as the result of knowledge of laws and principles.
(v. t.) To cause to become versed in science; to make skilled; to instruct.
Example Sentences:
(1) Hoursoglou thinks a shortage of skilled people with a good grounding in core subjects such as maths and science is a potential problem for all manufacturers.
(2) The performance characteristics of the CCD are well documented and understood, having been quantified by many experimenters, especially in the physical sciences.
(3) Keep it in the ground campaign Though they draw on completely different archives, leaked documents, and interviews with ex-employees, they reach the same damning conclusion: Exxon knew all that there was to know about climate change decades ago, and instead of alerting the rest of us denied the science and obstructed the politics of global warming.
(4) Such a science puts men in a couple of scientific laws and suppresses the moment of active doing (accepting or refusing) as a sufficient preassumption of reality.
(5) The problem-based system provides a unique integration of acquiring theoretical knowledge in the basic sciences through clinical problem solving which was highly rated in all analysed phases.
(6) The emails reveal that Jones, Briffa, Mann and other emailers were the gatekeepers of the science on which they worked.
(7) The organisation initially focused on education, funding the Indian company BYJU’s, which helps students learn maths and science, and the Nigerian company Andela, which trains African software developers.
(8) Even so, the controversy over the last assessment, and the political polarisation in America and other countries around climate science and the need for climate action, have created an additional layer of scrutiny around next week's report.
(9) Clute and Harrison took a scalpel to the flaws of the science fiction we loved, and we loved them for it.
(10) It’s the same story over and over.” Children’s author Philip Ardagh , who told the room he once worked as an “unprofessional librarian” in Lewisham, said: “Closing down a library is like filing off the end of a swordfish’s nose: pointless.” 'Speak up before there's nothing left': authors rally for National Libraries Day Read more “Today proves that support for public libraries comes from all walks of life and it’s not rocket science to work out why.
(11) "If necessary we will promote and encourage new laws which require future WHO funding to be provided only if the organisation accepts that all reports must be supported by the preponderance of science."
(12) A more current view of science, the Probabilistic paradigm, encourages more complex models, which can be articulated as the more flexible maxims used with insight by the wise clinician.
(13) Our goal is to improve the fit between social science and health practice by increasing the relevance of social science findings for the delivery of care and the training of health care professionals.
(14) She devoured political science texts, took evening classes at Goldsmiths college, and performed at protests and fundraisers, but became disillusioned.
(15) Paradigm relies heavily on social science research and analysis to help companies identify and address the specific barriers and unconscious biases that might be affecting their diversity efforts: things like anonymizing resumes so that employers can’t tell a candidate’s gender or ethnicity, or modifying a salary negotiation process that places women and minorities at a disadvantage.
(16) The goal of the expedition, led by Prof Ken Takai of the Japan Agency for Marine-Earth Science and Technology, was to study the limits of life at deep-sea vents in the Cayman Trough as part of a round-the-world voyage of discovery by the research ship RV Yokosuka .
(17) "This crowd of charlatans ... look for one little thing they can say is wrong, and thus generalise that the science is entirely compromised."
(18) It has me as a listener and I am keen as well on sciences, arts, geography, history and politics, and I belong to two campaigns in Brighton and Chichester against privatisation of the NHS, and with some successes.
(19) In contrast, the 2009 report, "Chernobyl: Consequences of the Catastrophe for People and the Environment" , published by the New York Academy of Sciences, comes to a very different conclusion.
(20) Khanna wrote about the experience in a case study published Tuesday for the Harvard Journal of Technology Science.