For him, the sense of an expression in language describes a certain state of affairs in the world, namely, the way that some object is presented.

Rewriting the argument,, makes clear that this expression describes a vibration of wavelength traveling in the x-direction with a constant phase velocity.

* Semantic impact: The expression " fishing expedition " describes a situation where a questioner implies he knows more than he actually does in order to trick his target into divulging more information than he wishes to reveal.

* The myth of mental illness: " Mental illness " is an expression, a metaphor that describes an offending, disturbing, shocking, or vexing conduct, action, or pattern of behavior, such as schizophrenia, as an " illness " or " disease ".

Magliocco describes the character of Aradia in Kelly's accompanying narrative as " a notably erotic character ; according to her teachings, the sexual act becomes not only an expression of the divine life force, but an act of resistance against all forms of oppression and the primary focus of ritual ".

* Regular expression, a string that describes or matches a set of strings, according to certain syntax rules

The specific expression of Modern Orthodoxy, however, takes many forms, and in fact, particularly over the past 30 – 40 years, describes a political spectrum.

Music author David Ewen describes these early amateur bands as combining " the depth and drama of the classics with undemanding technique, eschewing complexity in favor of direct expression.

Since an empty sum by definition has no terms, it seems contradictory to talk about its terms ; however in practice there almost always is an expression that describes the terms of a summation, even if the range of summation happens to be empty.

Chilton Williamson, Jr. describes paleoconservatism as " the expression of rootedness: a sense of place and of history, a sense of self derived from forebears, kin, and culture — an identity that is both collective and personal ".

The expression was used as early as 1966 by Arnold M. Ludwig and brought into common usage from 1969 by Charles Tart: it describes induced changes in one's mental state, almost always temporary.

Although the image goes with a poem about a man drowning, the girl's expression appears incongruous with the text of the poem as it forms what Severin describes as a " mysterious smile ".

* Morton's Fork, an expression that describes having to choose between equally unpleasant alternatives

The expression " Indo-Greek Kingdom " loosely describes a number of various dynastic polities.

Yirra Yaakin describes itself as the response to the Aboriginal Community ’ s need for positive self-enhancement through artistic expression.

While the above model of E-LTP describes entirely postsynaptic mechanisms for induction, maintenance, and expression, an additional component of expression may occur presynaptically.

A " perfect storm " is an expression that describes an event where a rare combination of circumstances will aggravate a situation drastically.

The first use of the expression in the meteorological sense comes from the March 20, 1936, issue of the Port Arthur ( Texas ) News: " The weather bureau describes the disturbance as ‘ the perfect storm ’ of its type.

In quantum mechanics, a Slater determinant is an expression that describes the wavefunction of a multi-fermionic system that satisfies anti-symmetry requirements and consequently the Pauli exclusion principle by changing sign upon exchange of fermions.

According to Cornelius Lanczos, any physical law which can be expressed as a variational principle describes an expression which is self-adjoint.

Such an expression describes an invariant under a Hermitian transformation.

In his 1993 seminal paper in the psychology journal American Psychologist, Ekman describes nine direct contributions that his research on facial expression has made to our understanding of emotion.

A lie-to-children, sometimes referred to as a Wittgenstein's ladder ( see below ), is an expression that describes the simplification of technical or difficult-to-understand material for consumption by children.

The principle of operation of the centrifuge also can be simply understood in terms of this expression for the potential energy, which shows that it is favorable energetically when the volume far from the axis of rotation is occupied by the heavier substance.

With this expression one can, in principle, determine the enthalpy if C < sub > p </ sub > and V are known as functions of p and T.

The principle of contradiction is merely an expression of the mutually exclusive aspect of that dichotomy, and the principle of excluded middle is an expression of its jointly exhaustive aspect.

One method for calculating the pressure is Bernoulli's equation, which is the mathematical expression of Bernoulli's principle.

At the same time we adopt the principle: not to employ any of the other expression of the discipline under consideration, unless its meaning has first been determined with the help of primitive terms and of such expressions of the discipline whose meanings have been explained previously.

The principle of bivalence is related to the law of excluded middle though the latter is a syntactic expression of the language of a logic of the form " P ∨ ¬ P ".

The construction principle for these expressions is that expression is obtained by concatening two copies of, appropriately renaming the letters of the second copy using fresh alphabet symbols, concatenating the result with another fresh alphabet symbol, and then by surrounding the resulting expression with a Kleene star.

The second law of thermodynamics is an expression of the universal principle of dissipation of kinetic and potential energy observable in nature.

The term " theory of relativity " was based on the expression " relative theory " () used by Max Planck in 1906, who emphasized how the theory uses the principle of relativity.

In The World, William Archer wrote that he had enjoyed watching the play but found it to be empty of meaning, " What can a poor critic do with a play which raises no principle, whether of art or morals, creates its own canons and conventions, and is nothing but an absolutely wilful expression of an irrepressibly witty personality?

Tantra (, " loom, warp "; hence " principle, system, doctrine, theory ", from the verbal root " stretch, extend, expand ", and the suffix " instrument "), anglicised as tantrism or tantricism, is the name scholars give to a style of religious ritual and meditation that arose in medieval India no later than the fifth century CE, and which came to influence all forms of Indian religious expression to a greater or lesser degree.

Justice William J. Brennan, Jr. asserted that " if there is a bedrock principle underlying the First Amendment, it is that government may not prohibit the expression of an idea simply because society finds the idea offensive or disagreeable.

Artaud claimed that the " perpetual allusion to the materials and the principle of the theater found in almost all alchemical books should be understood as the expression of an identity [...] existing between the world in which the characters, images, and in a general way all that constitutes the virtual reality of the theater develops, and the purely fictitious and illusory world in which the symbols of alchemy are evolved ".

For another illustration of the principle that the count / non-count distinction lies not in an object but rather in the expression that refers to it, consider the English words " fruit " and " vegetables ".

On April 4, 2002 a court in Rotterdam announced its verdict: although in principle his statements had been discriminatory against homosexuals, they were permitted on grounds of freedom of religious expression, since they were based on the Qur ' an and other Muslim documents.

* Hertz's principle of least curvature an expression of the Principle of Least Action

For Chagall, this was also his means of " self-assertion and an expression of principle.

It is a short, suggestive expression of a guiding principle for the written material that follows.

; Principle of government or the kawanatanga principle: Article 1 gives expression to the right of the Crown to make laws and its obligation to govern in accordance with constitutional process.

As the fundamental principle of his system, Akiva enunciates his conviction that the mode of expression used by the Torah is quite different from that of every other book.