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germ theory

Definitions

  • WordNet 3.6
    • n germ theory (medicine) the theory that all contagious diseases are caused by microorganisms
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Webster's Revised Unabridged Dictionary
    • Germ theory (Biol) The theory that living organisms can be produced only by the development of living germs. Cf. Biogenesis Abiogenesis.
    • Germ theory (Biol) the theory that living organisms can be produced only by the evolution or development of living germs or seeds. See Biogenesis, and Abiogenesis. As applied to the origin of disease, the theory claims that the zymotic diseases are due to the rapid development and multiplication of various bacteria, the germs or spores of which are either contained in the organism itself, or transferred through the air or water. See Fermentation theory.
    • Germ theory (Med) The theory which attributes contagious and infectious diseases, suppurative lesions, etc., to the agency of germs, i.e. pathogenic microorganisms. The science of bacteriology was developed after this theory had been established.
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Usage

In literature:

This crude, early view aided doubtless in giving germs of a better evolution theory to the early Greeks.
"History of the Warfare of Science with Theology in Christendom" by Andrew Dickson White
To admit prophetic germs, is tantamount to rejecting the theory of Natural Selection.
"The Life and Letters of Charles Darwin, Volume II (of II)" by Charles Darwin
I had come away with two, each the germ of a distinct theory, and both obscured by the prevailing ambiguity.
"The Riddle of the Sands" by Erskine Childers
If one of them survived the germ theory of disease is a hallucination.
"Andersonville, complete" by John McElroy
If one of them survived the germ theory of disease is a hallucination.
"Andersonville, Volume 2" by John McElroy
Bacteria and the germ theory of disease.
"Beacon Lights of History, Volume XIV" by John Lord
As early as 1790 he had conceived what is now known as the germ theory of disease.
"Scotland's Mark on America" by George Fraser Black
Aristotle states that the theory of development by germs was extremely ancient in his time.
"Myth and Science" by Tito Vignoli
When the germ theory was exhausted the bicycle craze took its place.
"Doctor Luttrell's First Patient" by Rosa Nouchette Carey
The Germ Theory of Contagious Disease.
"Fragments of science, V. 1-2" by John Tyndall
I did not repeat it, and the talk fell away from the germ theory.
"The Jucklins" by Opie Read
THE GERM-PLASM: A THEORY OF HEREDITY.
"The Evolution of Modern Capitalism" by John Atkinson Hobson
The germ theory gave me a great deal of worry.
"Confessions of a Neurasthenic" by William Taylor Marrs
But a false theory always contains within itself the germ of its own destruction.
"History of the Intellectual Development of Europe, Volume II (of 2)" by John William Draper
It was the germ of the theory of natural selection.
"Charles Darwin" by Grant Allen
Pasteur and others have discovered and explained the germ theory of disease and to what extent it is due to impure water.
"Inventions in the Century" by William Henry Doolittle
According to his theory, the germ supplies not the force, but the directive agency.
"The Catholic World; Volume I, Issues 1-6" by E. Rameur
Is the theory true that germs fall down to us from other planets?
"Buffalo Land" by W. E. Webb
Many fevers, if the germ theory or the poison theory be correct, are cured when the germs die, or the poison is eliminated.
"The Contemporary Review, Volume 36, December 1879" by Various
He appended a theory, which has its germ of truth, but defies definition, and is easily twisted to save a special argument.
"The Life of Mazzini" by Bolton King
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In news:

Imagine for a moment that a large proportion of Americans--let's say half--rejected the "germ theory" of infectious disease.
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In science:

In the case when ℓ(µ,f ) is a Legendrian immersion germ, there exists a generating family of ℓ(µ,f ) by the Arnol’d-Zakalyukin’s theory ().
Generic singularities of implicit systems of first order differential equations on the plane
Then the classification theory of function germs by the C -equivalence is quite useful for our purpose.
Generic singularities of implicit systems of first order differential equations on the plane
Robinson; Germs, Applications of Model Theory to Algebra, Analysis, and Probability (ed.W.A.J.
Elements of Nonstandard Algebraic Geometry
The Maslov theory of Lagrangian manifolds with complex germs [11, 12] is a generalization of the Maslov complex germ theory.
An Axiomatic Approach to Semiclassical Field Perturbation Theory
These invariants of blow-Nash equivalence, coming from the theory of motivic integration, are formal power series whose coefficients are polynomials constructed by considering some measure over spaces of arcs connected to the given germ.
Blow-Nash types of simple singularities
Springer-Verlag, New York, NY, 1990. Gendron, T.M., The algebraic theory of the fundamental germ.
Real Algebraic Number Theory II. Ideological Arithmetic
The “synthetic theory”, also called “Neodarwinism”, unified the findings of genetics with Darwin’s principle of natural selection into a theory of evolution where spontaneous, random mutations in the germ cells produce the variation on which natural selection acts.
Biological Evolution and Statistical Physics
In this section we generalize this formula to germs of higher dimensional mappings by using normal form theory.
From an iteration formula to Poincar\'{e}'s Isochronous Center Theorem for holomorphic vector fields
It is interesting to look at the way in which this modular theory based setting of QFT leads to spacetime symmetry, localization and causality in Minkowski spacetime i.e. to ask the question what is the algebraic germ for the rich geometrical aspects of QFT.
The power of AQFT: the area law for entropy of localized quantum matter
Stoyanovsky, Maslov’s complex germ and the Weyl–Moyal algebra in quantum mechanics and in quantum field theory, math-ph/0702094.
The Poisson algebra of classical Hamiltonians in field theory and the problem of its quantization
Robinson, Germs, Applications of Model Theory to Algebra, Analysis and Probability (W. A. J.
Regularity and nearness theorems for families of local Lie groups
Let p : E → AnΣ be a deformation theory and a ∈ ˆE(S ) an object over a germ S ∈ AnˆΣ that admits an obstruction theory M 7→ Ob(a, M).
A Semiregularity Map for Modules and Applications to Deformations
In practise, it is cumbersome to construct obstruction theories for ob jects over an arbitrary formal germ S .
A Semiregularity Map for Modules and Applications to Deformations
An obstruction theory for E consists in a collection of obstruction theories Ob(a, −) for every a ∈ E(S ) over an artinian germ S ∈ ArtΣ satisfying the following condition.
A Semiregularity Map for Modules and Applications to Deformations
Assume now that E admits an obstruction theory and that for every a ∈ E(S ) over an artinian germ S there is a transformation Ob(a, −) → G(a, −) into a left exact functor G(a, −) on Cohart (S ).
A Semiregularity Map for Modules and Applications to Deformations
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