The superficial destruction of bodily tissue by friction, pressure, ulceration, or trauma. What does limestone mean? Define rock and describe what rocks are made of. noun. I can't wait to go back. snowflake. 1. ‘Huge rocks jutted out of the ground, with no clear trail across it.’ ‘Effectively, the rock is left exposed in its geological location, but cut free from its surround.’ ‘On the highest part of the rock on which the old city of Toledo is founded is the conventual church of San Marcos.’ It may involve physical processes, called mechanical weathering, or chemical activity, called chemical weathering. Noun 1. clastic rock - a rock composed of broken pieces of older rocks geology - a science that deals with the history of the earth as recorded in rocks... Clastic rock - definition of clastic rock by The Free Dictionary. A relatively small piece or fragment of such material. View the pronunciation for rock. Some geologists also … Made of or with limestone. Define limestone. A naturally formed aggregate of mineral matter constituting a significant part of the earth's crust. Dictionary ! Most of us think of rocks as objects which don’t change. Igneous rock is rock that starts off in the core of the earth and is transformed by magma, the hot fluid in the earth's crust that forms lava. Metamorphic rock definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. A landslide is the movement of a mass of rock, earth or debris down a slope. Metamorphic rock - Metamorphic rock - Classification of metamorphic rocks: Because of the diverse chemistry, mineralogy, and primary origin of metamorphic rocks and because of the diverse fabrics or textures that may develop depending on the stresses that may operate during their formation, there is no simple, universally used classification of these rocks. See more. Look it up now! Geologist define rock as aggregates or mass composed of one or more commonly, several of minerals. Weathering is the gradual destruction of rock under surface conditions, dissolving it, wearing it away or breaking it down into progressively smaller pieces. Music journalist Robert Christgau characterizes rock lyrics as a "cool medium" with simple diction and repeated refrains, and asserts that rock's primary "function" "pertains to music, or, more generally, noise." An example of a stone is an uncut diamond. The definition of a stone is a small piece of rock. crystallization; erosion; igneous rock; metamorphic rock; metamorphism; outcrop; precipitate; rock cycle; sediment; sedimentary rock; sedimentation ; weathering; Introduction. The group of natural processes, including weathering, dissolution, abrasion, corrosion, and transportation, by which material is worn away from the earth's surface. | Meaning, pronunciation, translations and examples noun. 3. very. Streak is the color of a rock after it is ground into a powder, and luster tells how shiny a rock is. your wish is my command. Résumé Un glissement de terrain est la descente d'une masse de roche, de terre ou de débris le long d'un versant. In rocks, the rate of cooling allows mineral crystals, which make up the igneous rocks, to grow. 0. Let’s rock! Synonym Discussion of simple. 45.0%. Chocolate rocks. Rock definition: Rock is the hard substance which the Earth is made of. Sedimentary rock definition is - rock formed of mechanical, chemical, or organic sediment: such as. This is the British English definition of rock.View American English definition of rock. Explain how each of the three main rock types formed. 4. Sedimentary rocks are the most common rocks exposed on Earth’s surface but are only a minor constituent of the entire crust. put off-5.4%. Metamorphic Rocks Examples. Rock music is related to a number of other genres such as blues and folk.It has influences from jazz, classical and other music genres. noun. The core of the earth, aka the center of the earth, has a massive raging fire. How to use sediment in a sentence. Examples include rock salt, iron ore, limestone and flint. for-3.5%. 3. Rock's Origins (1940s-1960s) Rock’s origins can be traced to the late 1940s, when the popular styles of the day, country music and blues, morphed into a new sound aided by electric guitars and a steady drumbeat. Think of the Grand Canyon or the red rock formations scattered across the American Southwest. Know how to classify and describe rocks. 2. a. 0. A relatively large body of such material, as a cliff or peak. Engineers (or contractor) define rock to be hard, durable material that can't be excavated without blasting. (intransitive, slang) To be very favourable or skilful; excel; be fantastic. Most people chose this as the best definition of alternative-rock: The definition of alterna... See the dictionary meaning, pronunciation, and sentence examples. 0. Igneous Rock Definition. Igneous rock is formed from magma. Organic sedimentary rocks form when leaves, roots, plants and animal materials are broken down and then compressed over time. Rock music definition: any of various styles of pop music having a heavy beat , derived from rock and roll | Meaning, pronunciation, translations and examples Sedimentary rock definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. rock (third-person singular simple present rocks, present participle rocking, simple past and past participle rocked) (intransitive) To play, perform, or enjoy rock music, especially with a lot of skill or energy. Such aggregates constitute the basic unit of which the solid Earth is composed and typically form recognizable and mappable volumes. This fire is perpetual and is facilitated by radioactive reactions of a plethora of materials. sion (ĭ-rō′zhən) n. 1. Definition and synonyms of rock from the online English dictionary from Macmillan Education. Slate is a type of metamorphic rock that was first part of a lake or ocean bottom. Change your default dictionary to American English. Something, such as a hailstone, resembling a stone in shape or hardness. Igneous definition is - formed by solidification of magma. 1. A gem or precious stone. Noun: 1. rock music - a genre of popular music originating in the 1950s; a blend of black rhythm-and-blues with white country-and-western; "rock is a generic term for the range of styles that evolved out of rock… Magma definition, molten material beneath or within the earth's crust, from which igneous rock is formed. There are few exceptions to this rule: not all rocks are composed of minerals-for example, coal. What is the rock cycle? The definition is based on strength and durability. limestone synonyms, limestone pronunciation, limestone translation, English dictionary definition of limestone. Menu. The rock cycle is a concept of geology that describes the transition of rocks between the three rock types: igneous, sedimentary, and metamorphic.The cycle outlines how each rock type can be converted to another rock type through geologic processes. clastic rock synonyms, clastic rock pronunciation, clastic rock translation, English dictionary definition of clastic rock. Thesaurus Trending Words. The preexisting rocks may be igneous, sedimentary, or other metamorphic rocks. 5.3%. Imagine you were in a classroom with 30 other people. The definition of a stone is a small piece of rock. b. 1.1%. Simple definition is - free from guile : innocent. Vocabulary. Look it up now! How to use igneous in a sentence. Metamorphic rock, any rock that results from the alteration of preexisting rocks in response to changing conditions, such as variations in temperature, pressure, and mechanical stress, and the addition or subtraction of chemical components. My holidays in Ibiza rocked! When magma erupts and cools down to form hard objects, they are called igneous rocks. Describe the rock cycle. The three major classes of rock are igneous, sedimentary, and metamorphic rock. Rock, in geology, naturally occurring and coherent aggregate of one or more minerals. rock 1 (rŏk) n. 1. Sediment definition is - the matter that settles to the bottom of a liquid. Sedimentary rock, rock formed at or near Earth’s surface by the accumulation and lithification of sediment or by the precipitation from solution at normal surface temperatures. Relatively hard, naturally formed mineral or petrified matter; stone. 0. Slate is a dark, smooth rock. Define clastic rock. Let us explore what leads to such formation. (adjective) That sounds simple enough, but a closer look at the evolution of rock suggests how different styles and influences have shaped its development over the years. Rock music is a genre of popular music.It developed during and after the 1960s in the United States.It originally started in the 1940s and 1950s with the start of rock and roll.Rock and roll grew out of rhythm and blues and country music. How to use simple in a sentence. 2. Rocks are made out of minerals and have many different properties, or characteristics. Formed by solidification of magma materials are broken down and then compressed over time descente d'une masse de,... Naturally formed mineral or petrified matter ; stone translation, English dictionary definition of clastic translation... Make up the igneous rocks the hard substance which the solid simple definition of rock is composed and form! ( intransitive, slang ) to be hard, naturally formed mineral or petrified matter ; stone lake... 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