stone definition history facts britannica

Stone

A stone is a piece of rock. It is a mass of hard, compacted mineral. The word is often used to mean a small piece of rock. The word "stone" also refers to natural rock as a material, especially a building material. Natural stones used as building material include granite, marble and sandstone. Manufactured, artificial products, such as concrete ...

Stone Age | Definition, Tools, Periods, Peoples, Art,

Stone Age, prehistoric cultural stage, or level of human development, characterized by the creation and use of stone tools. The Stone Age, whose origin coincides with the discovery of the oldest known stone tools, which have been dated to some 3.3 million years ago, is usually divided into three separate periods—Paleolithic Period, Mesolithic Period, and Neolithic …

Encyclopædia Britannica Eleventh Edition

The Encyclopædia Britannica Eleventh Edition (1910–1911), is a 29-volume reference work, an edition of the Encyclopædia Britannica. It was developed during the encyclopaedia''s transition from a British to an American publication. Some of its articles were written by the best-known scholars of the time.

Britannica Kids

From Britannica, an online encyclopedia resource for kids in grades K-12 with safe, fact-checked, age-appropriate content for homework help and learning… Britannica''s new platform provides content designed and written specifically for early learners. Creating a ...

Stone (unit)

Pounds Unit Stone kg 1 1 pound 1 ⁄ 14 0.4536 14 1 stone 1 6.350 28 1 quarter 2 12.70 112 1 hundredweight 8 50.80 2,240 1 (long) ton 160 1,016 England The English stone under law varied by commodity and in practice varied according to local standards. The Assize of Weights and Measures, a statute of uncertain date from c. 1300, describes stones of 5 merchants'' pounds …

Concrete

Concrete is a composite material composed of fine and coarse aggregate bonded together with a fluid cement (cement paste) that hardens (cures) over time. Concrete is the second-most-used substance in the world after water, [2] and is the most widely used building material. [3] Its usage worldwide, ton for ton, is twice that of steel, wood ...

clay

Clay is a natural material made up of tiny particles of rock. When clay is mixed with enough water, it feels like soft, gluey mud. Unlike plain mud, however, clay holds its shape. Clay can be pinched, rolled, cut, or built up in layers to form shapes of all kinds.

Stone (unit)

The stone or stone weight (abbreviation: st.) [1] is an English and imperial unit of mass equal to 14 pounds (approximately 6.35 kg).[nb 1] The stone continues in customary use in the United Kingdom for body weight. England and other Germanic-speaking countries of northern Europe formerly used various standardised "stones" for trade, with their values ranging from about 5 …

Hifadhi ya Taifa ya Kakum

Hifadhi ya Taifa ya Kakum, iko katika mazingira ya pwani ya Mkoa wa Kati [1] [2] ya Ghana, [3] ina ukubwa wa eneo la kilomita za mraba 375. Ilianzishwa mwaka 1931 kama hifadhi, ilitangazwa kwenye gazeti la serikali kama hifadhi ya taifa mwaka 1992 baada ya uchunguzi wa awali wa avifauna kufanywa. Eneo hilo limefunikwa na misitu ya kitropiki .

Stone

Often used in combination: sandstone; soapstone. 2. A small piece of rock. 3. Rock or a piece of rock shaped or finished for a particular purpose, especially: a. A piece of rock that is used in construction: a coping stone; a paving stone. b. A gravestone or tombstone.

Detail Graffiti | Definition, History, & Facts | Britannica

Graffiti | Definition, History, & Facts | Britannica Tipe Gambar jpg Dimensi Gambar 1041 x 1600 px Besaran Gambar 315.36 KiB Lisensi Gambar Gambar bebas dan gratis untuk digunakan ulang. Tidak diperlukan atribusi dan retribusi. Bisa digunakan secara ...

Rock (geology)

In geology, a rock (or stone) is any naturally occurring solid mass or aggregate of minerals or mineraloid matter. It is categorized by the minerals included, its chemical composition, and the way in which it is formed.Rocks form the Earth''s outer solid layer, the crust, and most of its interior, except for the liquid outer core and pockets of magma in the asthenosphere.

Stone Age

At the stage called the Stone Age, prehistoric humans and human ancestors made tools out of stone. Stone implements were used to hunt, skin, and butcher animals, to dig up roots and cut apart plants, to chop down trees and work wood and bone, as weapons, and for many other purposes. The Stone Age was not one specific time period, as different ...

Jasper

Jasper, an aggregate of microgranular quartz and/or cryptocrystalline chalcedony and other mineral phases, [1] [2] is an opaque, [3] impure variety of silica, usually red, yellow, brown or green in color; and rarely blue. The common red color is due to iron (III) inclusions. Jasper breaks with a smooth surface and is used for ornamentation or ...

Stone Definition & Meaning | Dictionary

stone: 1. Edward Durell [d oo - rel,, dy oo -] /dʊˈrɛl,, dyʊ-/ ( Show IPA ), 1902–78, U.S. architect.

Stonewall riots | Definition, Significance, & Facts | Britannica

 · Stonewall riots, also called Stonewall uprising, series of violent confrontations that began in the early hours of June 28, 1969, between police and gay rights activists outside the Stonewall Inn, a gay bar in the Greenwich Village section of New York City. As the riots progressed, an international gay rights movement was born. In 1969 the solicitation of …

stone | Definition, History, & Facts | Britannica

stone, British unit of weight for dry products generally equivalent to 14 pounds avoirdupois (6.35 kg), though it varied from 4 to 32 pounds (1.814 to 14.515 kg) for various items over time. Originally any good-sized rock chosen as a local standard, the stone came to be widely used as a unit of weight in trade, its value fluctuating with the commodity and region. In the 14th century …

A

A, or a, is the first letter and the first vowel of the modern English alphabet and the ISO basic Latin alphabet. [1] [2] Its name in English is a (pronounced / ˈ eɪ /), plural aes. [nb 1] It is similar in shape to the Ancient Greek letter alpha, from which it derives. [3] The uppercase version consists of the two slanting sides of a triangle, crossed in the middle by a horizontal bar.

gemstone | Definition, History, Types, & Facts | Britannica

gemstone, any of various minerals highly prized for beauty, durability, and rarity. A few noncrystalline materials of organic origin (e.g., pearl, red coral, and amber) also are classified as gemstones. Gemstones have attracted humankind …

Characteristics and Qualities of Heroism

 · Inspirational. Moral integrity. Protective. Self-sace. Selflessness. Strength. The psychology of heroism might not be well understood, but many experts do believe that it is possible for people to learn to be heroes. The following are just a few of the major characteristics that researchers have ascribed to heroes.

The History of Meme | Word Origins | Merriam-Webster

This dictionary defines Dawkins'' sense of meme as "an idea, behavior, style, or usage that spreads from person to person within a culture." The word wasn''t entered until 1998, when it earned a spot in an update of the Tenth Edition of the Merriam-Webster Collegiate Dictionary. Although Dawkins had coined the word in a 1976 book, it was more ...

History

History (from Ancient Greek: ἱστορία, romanized: historíā, lit. ''inquiry; knowledge acquired by investigation'') [2] is the study and the documentation of the past.[3] [4] Events before the invention of writing systems are considered prehistory. "History" is an umbrella term comprising past events as well as the memory, discovery, collection, organization, presentation, and ...

Rosetta stone Definition & Meaning

Rosetta stone: [noun] a black basalt stone found in 1799 that bears an inscription in hieroglyphics, demotic characters, and Greek and is celebrated for having given the first clue to the decipherment of Egyptian hieroglyphics.

Stone Facts for Kids | KidzSearch

A stone in the river is reshaped by the water and sediment flowing around it. Stones can be used as primitive weapon. Person can throw it at enemy or animal, or use it to make more damage in hand-to-hand combat. A stone is larger than a grain of sand, gravel or pebbles. A boulder is a large rock or stone. Precious stone.

stone

 · The first day of the weeke, commeth Mary Magdalene earely when it was yet darke, vnto the Sepulchre, and seeth the stone taken away from the Sepulchre is about 2,500 yards in circuit, is built of red stone, and, according to Von Orlich, is now " a bastioned quinquangle ; the ancient walls with semicircular bastions face the two streams ; the land side is quite regular, …

rock

Rock, or stone, is a hard material made up of one or more minerals . Rock makes up the outer layer of Earth, called the crust. The lower parts of this layer are solid rock, or bedrock. Broken bits of rock lie on top. The tiniest bits of rock make up sand and soil . Underneath Earth''s crust is another layer of mostly solid rock, called the ...

What Is the Rosetta Stone?

 · Amir Makar/AFP via Getty Images. The Rosetta Stone is a slab of granitoid stone featuring a written decree issued in 196 B.C. by a group of …

A

A, or a, is the first letter and the first vowel of the modern English alphabet and the ISO basic Latin alphabet. Its name in English is a (pronounced / ˈ eɪ /), plural aes. It is similar in shape to the Ancient Greek letter alpha, from which it derives. The uppercase version consists of the two slanting sides of a triangle, crossed in the middle by a horizontal bar.

STONE | definition in the Cambridge English Dictionary

stone meaning: 1. the hard, solid substance found in the ground that is often used for building, or a piece of…. Learn more. {{#verifyErrors}} {{message ...

history

History is the study of the past. The study of history helps make sense of humankind. It also helps people understand the things that happen today and that may happen in the future.

Rosetta Stone | Definition, Discovery, History, Languages, …

Rosetta Stone, ancient Egyptian stone bearing inscriptions in several languages and scripts; their decipherment led to the understanding of hieroglyphic writing. An irregularly shaped stone of black granite 3 feet 9 inches (114 cm) long and 2 feet 4.5 inches (72 cm) wide, and broken in antiquity, it was found near the town of Rosetta (Rashīd ...

Stone Age

The Stone Age was a time in prehistory when humans made and used stone tools. ( Prehistory is the time before people invented writing.) Early humans began using stones as simple tools about 2 million years ago. Humans used mainly stone tools until about 10,000 years ago. However, the Stone Age began and ended at different times in various ...

Neolithic | Definition & Facts | Britannica

Neolithic, also called New Stone Age, final stage of cultural evolution or technological development among prehistoric humans. It was characterized by stone tools shaped by polishing or grinding, dependence on domesticated …

rock art | Definition, History, Painting, Designs, & Facts

rock art. rock art, drawing, painting, or similar work on or of stone, usually from the ancient or prehistoric era, though it continued to be practiced in some areas of Africa during the 19th century and possibly later. Rock art includes pictographs (drawings or paintings), petroglyphs (carvings or inscriptions), engravings (incised motifs ...

Detail Graffiti | Definition, History, & Facts | Britannica

Graffiti | Definition, History, & Facts | Britannica Tipe Gambar jpg Dimensi Gambar 1063 x 1600 px Besaran Gambar 369.67 KiB Lisensi Gambar Gambar bebas dan gratis untuk digunakan ulang. Tidak diperlukan atribusi dan retribusi. Bisa digunakan secara ...

stone | Definition, History, & Facts | Britannica

Stone, British unit of weight for dry products generally equivalent to 14 pounds avoirdupois (6.35 kg), though it varied from 4 to 32 pounds (1.814 to 14.515 kg) for various items over time. In 1389 a royal statute fixed the stone of wool at 14 pounds.