What does R stand for?

Relative is a term used in physics, and especially in Special and General relativity, to denote that something is dependent on a reference frame, or that it is taken specifically in a given reference frame - "Its velocity relative to the cow is 15.

In layman's terms a ratio represents, for every amount of one thing, how much there is of another thing.

There is an extremely large number of unrelated notions of "regularity" in mathematics.

A simple reply can take the form of a single word, for example "yes" or "no", or can be expressed via body language, such as nodding the head or winking.

The word radiation arises from the phenomenon of waves radiating (i.

A race may be run continuously from start to finish or may be made of several segments called heats, stages or legs.

The major cause of rain production is moisture moving along three-dimensional zones of temperature and moisture contrasts known as weather fronts.

The major cause of rain production is moisture moving along three-dimensional zones of temperature and moisture contrasts known as weather fronts.

Reason or "reasoning" is associated with thinking, cognition, and intellect.

Real (Spanish pronunciation: [re?al]), translated from Spanish as "royal", is a title historically used by sports clubs to designate a royal status.

Since a large portion of maize crops are grown for purposes other than human consumption, rice is the most important grain with regard to human nutrition and caloric intake, providing more than one fifth of the calories consumed worldwide by humans.

Originally the term "regiment" simply denoted a large body of men under a single leader.

Random events are individually unpredictable, but the frequency of different outcomes over a large number of events (or "trials") are frequently predictable.

There are many potential reasons for becoming a recluse: a personal philosophy that rejects consumer society; a mystical religious outlook that involves becoming a hermit or an anchorite; a survivalist may be practicing self-sufficiency; a criminal might hide away from people to avoid detection by police; or a misanthrope may be unable to tolerate human society.

In acoustics, reflection causes echoes and is used in sonar.

For non-profit organizations, annual revenue may be referred to as gross receipts.

There are different degrees of relief depending on the degree of projection of the sculpted form from the field, for which the Italian appellations are still sometimes used.

A type of relay that can handle the high power required to directly control an electric motor or other loads is called a contactor.

Social conceptions and groupings of races vary over time, involving folk taxonomies[7] that define essential types of individuals based on perceived traits.

Roy is an English, Scottish Gaelic and French name of Norman origin.

If an object does not have an obvious center, the term may refer to its circumradius, the radius of its circumscribed circle or circumscribed sphere.

The branch of technology that deals with the design, construction, operation, and application of robots, as well as computer systems for their control, sensory feedback, and information processing is robotics.

Rolling stock in railway transport systems generally has lower frictional resistance when compared with highway vehicles and the passenger and freight cars (carriages and wagons) can be coupled into longer trains.

Shopping generally refers to the act of buying products.

Rejected has a cult following and has grown into a pop culture icon that is frequently quoted or referenced.

Rolling stock in railway transport systems generally has lower frictional resistance when compared with highway vehicles and the passenger and freight cars (carriages and wagons) can be coupled into longer trains.

It is assumed that the ancestors of mankind developed the ability to run for long distances about 2.

It is assumed that the ancestors of mankind developed the ability to run for long distances about 2.

The refining of liquids is often accomplished by distillation or fractionation.

A schedule is necessary for the day-to-day operation of many businesses e.

Rwanda (/ru????nd?/ or /ru??ænd?/), officially the Republic of Rwanda (Kinyarwanda: Repubulika y'u Rwanda; French: République du Rwanda), is a sovereign state in central and east Africa.

In common usage, "ridiculousness" is used as a synonym for absurdity or nonsense.

Any of several genera of colubrid snakes, such as Coluber; Drymobius, the neotropical racers; Masticophis, the whip snakes or coachwhips; and Alsophis.

The basic form of the rabbi developed in the Pharisaic and Talmudic era, when learned teachers assembled to codify Judaism's written and oral laws.

The basic form of the rabbi developed in the Pharisaic and Talmudic era, when learned teachers assembled to codify Judaism's written and oral laws.

Although in many cases a reinforcing stimulus is a rewarding stimulus which is "valued" or "liked" by the individual (e.

Although in many cases a reinforcing stimulus is a rewarding stimulus which is "valued" or "liked" by the individual (e.

In sports such as basketball and netball, the term is also used as either noun or verb to describe the successful retrieval of the ball in that circumstance.

Rabies is caused by lyssaviruses including: rabies virus and Australian bat lyssavirus.

The radian is represented by the symbol rad (Unicode-encoded as U+33AD ? ).

Determining optimality for rational behavior requires a quantifiable formulation of the problem, and making several key assumptions.

The word "rob" came via French from Late Latin words (e.

Among the questions about how to define racism are the question of whether to include forms of discrimination that are unintentional, such as making assumptions about preferences or abilities of others based on racial stereotypes, whether to include symbolic or institutionalized forms of discrimination such as the circulation of ethnic stereotypes through the media, and whether to include the socio-political dynamics of social stratification that sometimes have a racial component.

The word rectangle comes from the Latin rectangulus, which is a combination of rectus (right) and angulus (angle).

On January 9, 2012, the band announced their long-awaited reunion (which was also highly contested considering the band's original and explicit declaration to never reunite), confirming shows at Coachella, Rock am Ring, Ruisrock, Roskilde Festival, Groezrock, Way Out West Festival, Sonisphere Festival (Cancelled), Download Festival, Rock for People, Primavera Sound, Hellfest, Fuji Rock Festival, Øyafestivalen and Pukkelpop.

A rose is a woody perennial of the genus Rosa, within the family Rosaceae.

These technologies deal with automated machines that can take the place of humans in dangerous environments or manufacturing processes, or resemble humans in appearance, behavior, and/or cognition.

Today, hand-held battering rams are one tool among many used by law enforcement and military personnel for door breaching.

where Ur is the modulus of resilience, ?y is the yield strength, and E is the Young's modulus.

Determining optimality for rational behavior requires a quantifiable formulation of the problem, and making several key assumptions.

Readability is distinguished from legibility which is a measure of how easily individual letters or characters can be distinguished from each other.

Renormalization specifies relationships between parameters in the theory when the parameters describing large distance scales differ from the parameters describing small distances.

Members of this family are very common perennial herbs growing mainly in the northern hemisphere, but various species have been introduced almost everywhere.

A simple reply can take the form of a single word, for example "yes" or "no", or can be expressed via body language, such as nodding the head or winking.

The film has had mostly mixed reviews and received a rating of 65% on Rotten Tomatoes.

Ryder was founded in Miami, Florida in 1933 by James Ryder as a concrete hauling company with one truck, a 1931 Model "A" Ford.

Rationing is often done to keep price below the equilibrium (market-clearing) price determined by the process of supply and demand in an unfettered market.

In SI units, permeability is measured in henries per meter (H·m?1), or newtons per ampere squared (N·A?2).

In the United Kingdom, the word "repeat" refers only to a single episode; "rerun" or "rerunning" is the preferred term for an entire series/season.

Random events are individually unpredictable, but the frequency of different outcomes over a large number of events (or "trials") are frequently predictable.

Prices of rubies are primarily determined by color.

In layman's terms a ratio represents, for every amount of one thing, how much there is of another thing.

The word radiation arises from the phenomenon of waves radiating (i.

If an object does not have an obvious center, the term may refer to its circumradius, the radius of its circumscribed circle or circumscribed sphere.

Many religions may have organized behaviors, clergy, a definition of what constitutes adherence or membership, holy places, and scriptures.

The RAX-1 mission, launched in November 2010, was a demonstration of the team’s technological capabilities – it made great strides in CubeSat design, and was able to execute bistatic radar measurements that had never before been performed on a satellite of its size.

The name is also found in the Netherlands and Normandy in the forms "Rutger" and "Rogier".

Philosophers, mathematicians, and other ancient and modern thinkers, such as Aristotle, Plato, Frege, Wittgenstein, and Russell, have made a distinction between thought corresponding to reality, coherent abstractions (thoughts of things that are imaginable but not real), and that which cannot even be rationally thought.

A rifle is a firearm designed to be fired from the shoulder, with a barrel that has a helical groove or pattern of grooves ("rifling") cut into the barrel walls.

Rocks have been used by mankind throughout history.

Rights are often considered fundamental to civilization, being regarded as established pillars of society and culture, and the history of social conflicts can be found in the history of each right and its development.

Historically, financial motivation was one of the main drivers of reuse.

William Tyndale (Bible translator into English in 1526) remodelled the word after an earlier word rihtwis, which would have yielded modern English *rightwise or *rightways.

There are some ISO standards related to recycling such as ISO 15270:2008 for plastics waste and ISO 14001:2004 for environmental management control of recycling practice.

Richard is a common name in many Germanic languages, including English, German, Norwegian, Danish, Swedish and Dutch.

Revolutions have occurred through human history and vary widely in terms of methods, duration, and motivating ideology.

Written reports are documents which present focused, salient content to a specific audience.

While retailers are not usually required to accept returns, laws in many places require retailers to post their return policy in a place where it would be visible to the customer prior to purchase.

The prayers that essentially compose the Rosary are arranged in sets of ten Hail Marys preceded by one Lord's Prayer and followed by one Glory Be.