The defining characteristic of this family is the inflorescence: a simple or compound umbel.

Biopolymers often have a well-defined structure, though this is not a defining characteristic ( example: ligno-cellulose ):

The defining characteristic of the battle as a concept in Military science has been a dynamic one through the course of military history, changing with the changes in the organisation, employment and technology of military forces.

This model of monotheism became the defining characteristic of post-Exilic Judaism, and became the basis for Christianity and Islam.

The defining characteristic of bistability is simply that two stable states ( minima ) are separated by a peak ( maximum ).

Some critics have suggested that unlike CCM and older Christian rock, Christian alternative rock generally emphasizes musical style over lyrical content as a defining genre characteristic, though the degree to which the faith appears in the music varies from artist to artist.

The ability of the atmosphere to capture and recycle energy emitted by the Earth surface is the defining characteristic of the greenhouse effect.

Though of course hotels have always been built in popular destinations, the defining characteristic of a resort hotel is that it exists purely to serve another attraction, the two having the same owners.

Sexual desire was not the defining characteristic of a lesbian-feminist, but rather her focus on politics.

Myelin is considered a defining characteristic of the ( gnathostome ) vertebrates, but myelin-like sheaths have also arisen by parallel evolution in some invertebrates, although they are quite different from vertebrate myelin at the molecular level.

The term reliability, availability and serviceability ( RAS ) is a defining characteristic of mainframe computers.

This has often been cited as the defining characteristic of the New Order sound.

Then the characteristic ( or defining ) property of the ordered pair is:

The defining characteristic of observation is that it involves drawing conclusions, as well as building personal views about how to handle similar situations in the future, rather than simply registering that something has happened.

There is considerable agreement about defining the characteristic features of a profession.

In its common meaning, the term is used to identify a characteristic, a feature, a measurable factor that can help in defining a particular system.

The defining characteristic of ragtime music is a specific type of syncopation in which melodic accents occur between metrical beats.

The Meissner effect is a defining characteristic of superconductivity.

* abolition of private property considered as a primary goal of socialism, if not its defining characteristic, thus near total collectivization and nationalization of the means of production ;

In the case of hyponymy, psychological experiments revealed that individuals can access properties of nouns more quickly depending on when a characteristic becomes a defining property.

The defining characteristic of a vertebrate is the vertebral column, in which the notochord ( a stiff rod of uniform composition ) found in all chordates has been replaced by a segmented series of stiffer elements ( vertebrae ) separated by mobile joints ( intervertebral discs, derived embryonically and evolutionarily from the notochord ).

Telfer found five tall, developmentally disabled XYY boys and men in hospitals and penal institutions in Pennsylvania, and since four of the five had at least moderate facial acne, reached the erroneous conclusion that acne was a defining characteristic of XYY males.

The term is widely needed to support the more esoteric requirements of a number of disciplines including in philosophy when a concept is not available ; in biology when a genus is not available ; in law when a special and unique interpretation of a case or authority will be needed on-the-fly ; in town-planning where there is no existing use-case ; in intellectual property rights where there is no defining characteristic ; and in politics and societal norms where there is no real authority perceived.

Another defining characteristic for an indigenous group is that it has preserved traditional ways of living, such as present or historical reliance upon subsistence-based production ( based on pastoral, horticultural and / or hunting and gathering techniques ), and a predominantly non-urbanized society.

But the defining characteristic of the Nizari Ismaili state was that it was scattered geographically throughout Persia and Syria.

The defining characteristic of a close vowel is that the tongue is positioned as close as possible to the roof of the mouth without creating a constriction that would be classified as a consonant.

The defining characteristic of a near-close vowel is that the tongue is positioned similarly to a close vowel, but slightly less constricted.

The defining characteristic of a close-mid vowel is that the tongue is positioned two-thirds of the way from a close vowel to a mid vowel.

The defining characteristic of a mid vowel is that the tongue is positioned mid-way between an open vowel and a close vowel.

The defining characteristic of an open-mid vowel is that the tongue is positioned two-thirds of the way from an open vowel to a mid vowel.

The defining characteristic of a near-open vowel is that the tongue is positioned similarly to an open vowel, but slightly more constricted.

The defining characteristic of a front vowel is that the tongue is positioned as far in front as possible in the mouth without creating a constriction that would be classified as a consonant.

The defining characteristic of a central vowel is that the tongue is positioned halfway between a front vowel and a back vowel.

The defining characteristic of a near-back vowel is that the tongue is positioned as in a back vowel, but slightly further forward in the mouth.

The defining characteristic of a back vowel is that the tongue is positioned as far back as possible in the mouth without creating a constriction that would be classified as a consonant.

identify the presence of this vowel phoneme as an areal feature of a Mesoamerican Sprachbund ( although this is not a defining feature of the entire area ).

A new South is emerging after the post-bellum years of hesitation, uncertainty, and lack of action from the Negro in defining his new role in the amorphously defined socio-political organizations of the white man.

The key to effective marketing is wrapped up in defining your company's marketing problems realistically.

`` A serious problem accompanying the technical-ladder approach is the difficulty of clearly defining responsibilities and standards of performance for each level.

Here the problem is essentially one of defining the word `` filling ''.

With the phylogenetic classification, the taxon Labyrinthodontia has been discarded as it is a paraphyletic group without unique defining features apart from shared primitive characteristics.

The President is also provided a variety of powers, like defining the policy of the country.

One of the defining characteristics of the order is the presence of phytomelan, a black pigment present in the seed coat, creating a dark crust.

Its triple point temperature of 83. 8058 K is a defining fixed point in the International Temperature Scale of 1990.

The Spectrogram produced by such an instrument is a graphical display of the time varying pressure level and frequency profiles which give a specific acoustic signal its defining character.

An approach to defining what is meant by area is through axioms.

Some researchers state that the evidence-based approach to defining CAM is problematic because some CAM is tested, and research suggests that many mainstream medical techniques lack solid evidence.

* Given an R-module M, the endomorphism ring of M, denoted End < sub > R </ sub >( M ) is an R-algebra by defining ( r · φ )( x ) = r · φ ( x ).

As taught in school books, analytic geometry can be explained more simply: it is concerned with defining and representing geometrical shapes in a numerical way and extracting numerical information from shapes ' numerical definitions and representations.

Thus, ayahuasqueros and most others working with the brew maintain that the B. caapi vine is the defining ingredient, and that this beverage is not ayahuasca unless B. caapi is in the brew.

However, the defining recommendation indicates a change to a system similar to ISO 8601 and astronomical year numbering is likely in the future.

If this limit fails to exist then there is no oblique asymptote in that direction, even should the limit defining m exist.

Every Boolean algebra ( A, ∧, ∨) gives rise to a ring ( A, +, ·) by defining a + b := ( a ∧ ¬ b ) ∨ ( b ∧ ¬ a ) = ( a ∨ b ) ∧ ¬( a ∧ b ) ( this operation is called symmetric difference in the case of sets and XOR in the case of logic ) and a · b := a ∧ b. The zero element of this ring coincides with the 0 of the Boolean algebra ; the multiplicative identity element of the ring is the 1 of the Boolean algebra.

Conversely, if a Boolean ring A is given, we can turn it into a Boolean algebra by defining x ∨ y := x + y + ( x · y ) and x ∧ y := x · y.