| 单词 | rock |
| 释义 | rock (once / 58 pages) 1n 2vn 3n 4n If you are asked to rock a baby, please do not throw a stone at it. Instead, move the baby gently from side to side. If this doesn't calm the child, play some loud rock music. When rocking a baby you move gently, but when you're told not to “rock the boat” the rocking movement referred to is more violent, enough to tip the boat over. This kind of motion has more in common with what you do when “rocking out” listening to music. A rock is also a lump of mineral, and if we say someone is "like a rock," we mean he's totally dependable. WORD FAMILYrock: rocked, rocker, rockery, rocking, rocklike, rocks, rocky+/rocker: rockers/rockery: rockeries/rocky: rockier, rockiest, rockily, rockiness USAGE EXAMPLESTwo additional unclaimed bombings also rocked the city, officials said. Wall Street Journal(Jan 02, 2017) "Shake with your right hand, but hold a rock with your left," says Frank Underwood, the ruthless US president in the TV series. BBC(Jan 02, 2017) Hawaii Volcanoes National Park said Monday no one was injured when the lava delta collapsed and sent showers of volcanic rock into the air. Washington Times(Jan 02, 2017) 1 1n material consisting of the aggregate of minerals like those making up the Earth's crust that mountain is solid rock Syn|Hypo|Hyper stone quartzite hard metamorphic rock consisting essentially of interlocking quartz crystals road metalbroken rock used for repairing or making roads sedimentary rockrock formed from consolidated clay sediments sialthe granitelike rocks that form the outermost layer of the earth's crust; rich in silicon and aluminum simarock that form the continuous lower layer of the earth's crust; rich in silicon and magnesium metamorphic rockrock altered by pressure and heat crushed rock, gravelrock fragments and pebbles calichenitrate-bearing rock or gravel of the sodium nitrate deposits of Chile and Peru shingling(geology) sediment in which flat pebbles are uniformly tilted in the same direction pumice, pumice stonea light glass formed on the surface of some lavas; used as an abrasive aphanitefine-grained homogeneous rock (such as basalt) containing minerals undetectable by the naked eye claystonefine-grained rock consisting of compacted clay particles dolomitea kind of sedimentary rock resembling marble or limestone but rich in magnesium carbonate emery rock, emery stonea mixture of emery dust and a binder; can be molded into grindstones conglomerate, pudding stonea composite rock made up of particles of varying size fieldstonestone that occurs naturally in fields; often used as building material greisena granitic rock composed of quartz and mica calc-tufa, tufaa soft porous rock consisting of calcium carbonate deposited from springs rich in lime magmamolten rock in the earth's crust igneous rockrock formed by the solidification of molten magma limestonea sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals marblea hard crystalline metamorphic rock that takes a high polish; used for sculpture and as building material matrix(geology) amass of fine-grained rock in which fossils, crystals, or gems are embedded amphibolitea metamorphic rock composed chiefly of amphibole and plagioclase argillitea sedimentary rock differing from shale in being bound by silica and from slate in having no slate cleavages arenaceous rocka sedimentary rock composed of sand argillaceous rocka sedimentary rock formed from clay deposits rudaceous rocka sedimentary rock formed of coarse-grained material marlite, marlstonemetamorphic rock with approximately the same composition as marl hornfels, hornstonea fine-grained metamorphic rock formed by the action of heat on clay rocks ballastcoarse gravel laid to form a bed for streets and railroads bank gravel, pit run, pit-run gravelgravel as found in natural deposits shinglecoarse beach gravel of small waterworn stones and pebbles (or a stretch of shore covered with such gravel) slatea fine-grained metamorphic rock that can be split into thin layers andesitea dark grey volcanic rock aplitelight-colored and fine-grained granitic rock consisting chiefly of quartz and feldspars gneissa laminated metamorphic rock similar to granite schistany metamorphic rock that can be split into thin layers groundmass(geology) the matrix of fine-grained crystalline material in which larger crystals are embedded adesitedark greyish extrusive rock batholite, batholith, pluton, plutonic rocklarge mass of intrusive igneous rock believed to have solidified deep within the earth dioritea granular crystalline intrusive rock gabbroone of a family of granular intrusive rocks pegmatitea form of igneous rock consisting of extremely coarse granite resulting from the crystallization of magma rich in rare elements peridotitea dark coarse-grained igneous rock consisting principally of olivine rhyolitevery acid volcanic rock volcanic rockextrusive igneous rock solidified near or on the surface of the Earth rottenstone, tripolia weathered and decomposed siliceous limestone; in powdered form it is used in polishing verd antique, verde antiquea dark green impure marble porphyritic rock, porphyryany igneous rock with crystals embedded in a finer groundmass of minerals shalea sedimentary rock formed by the deposition of successive layers of clay material, stuff the tangible substance that goes into the makeup of a physical object 2n a lump or mass of hard consolidated mineral matter he threw a rock at me Syn|Exp|Hypo|Hyper stone Plymouth Rock a boulder in Plymouth supposed to be where the Pilgrims disembarked from the Mayflower achondrite a stony meteor lacking chondrules bedrocksolid unweathered rock lying beneath surface deposits of soil boulder, bowldera large smooth mass of rock detached from its place of origin calculus, concretiona hard lump produced by the concretion of mineral salts; found in hollow organs or ducts of the body chondritea rock of meteoric origin containing chondrules clastic rock(geology) a rock composed of broken pieces of older rocks crystal, crystallizationa rock formed by the solidification of a substance; has regularly repeating internal structure; external plane faces intrusionrock produced by an intrusive process outcrop, outcropping, rock outcropthe part of a rock formation that appears above the surface of the surrounding land pebblea small smooth rounded rock petrifactiona rock created by petrifaction; an organic object infiltrated with mineral matter and preserved in its original form sill(geology) a flat (usually horizontal) mass of igneous rock between two layers of older sedimentary rock stepping stonea stone in a marsh or shallow water that can be stepped on in crossing tora prominent rock or pile of rocks on a hill wall rocka rock immediately adjacent to a vein or fault whin, whinstoneany of various hard colored rocks (especially rocks consisting of chert or basalt) xenolith(geology) a piece of rock of different origin from the igneous rock in which it is embedded belaysomething to which a mountain climber's rope can be secured bladder stone, cystolitha calculus formed in the bladder crystalliteany of numerous minute rudimentary crystalline bodies of unknown composition found in glassy igneous rock enterolitha calculus occurring in the intestines bilestone, gallstonea calculus formed in the gall bladder or its ducts glacial bouldera boulder that has been carried by a glacier to a place far distant from its place of origin kidney stone, nephrolith, renal calculus, urinary calculusa calculus formed in the kidney outthrustan outcropping of rock that extends outward ptyalithcalculus in a salivary gland river bouldera boulder that has been carried by a river to a place remote from its place of origin shore bouldera boulder found on a shore remote from its place of origin salivary calculus, sialolitha stone formed in the salivary gland urolitha urinary stone natural object an object occurring naturally; not made by man 3n (figurative) someone who is strong and stable and dependable 2he was her rock during the crisis "Thou art Peter, and upon this rock I will build my church"--Gospel According to Matthew Hyper good person a person who is good to other people 1v move back and forth or sideways the ship was rocking She rocked back and forth on her feet Syn|Hypo|Hyper shake, sway sway cause to move back and forth roll move, rock, or sway from side to side nutaterock, sway, or nod; usually involuntarily swagsway heavily or unsteadily tottermove without being stable, as if threatening to fall move back and forth move in one direction and then into the opposite direction 2v cause to move back and forth rock the cradle rock the baby Syn|Hyper sway shake, sway move back and forth or sideways displace, move cause to move or shift into a new position or place, both in a concrete and in an abstract sense 3n pitching dangerously to one side 3Syn|Hyper careen, sway, tilt lurch, pitch, pitching abrupt up-and-down motion (as caused by a ship or other conveyance) n a genre of popular music originating in the 1950s; a blend of black rhythm-and-blues with white country-and-western 4rock is a generic term for the range of styles that evolved out of rock'n'roll. Syn|Hypo|Hyper rock 'n' roll, rock and roll, rock music, rock'n'roll, rock-and-roll heavy metal, heavy metal music loud and harsh sounding rock music with a strong beat; lyrics usually involve violent or fantastic imagery art rock, progressive rocka style of rock music that emerged in the 1970s; associated with attempts to combine rock with jazz and other forms; intended for listening and not dancing acid rock, psychedelic rocka musical style that emerged in the 1960s; rock music inspired by or related to drug-induced experience punk, punk rockrock music with deliberately offensive lyrics expressing anger and social alienation; in part a reaction against progressive rock popular music, popular music genre any genre of music having wide appeal (but usually only for a short time) n hard bright-colored stick candy (typically flavored with peppermint) Syn|Hyper rock candy candy, confect a rich sweet made of flavored sugar and often combined with fruit or nuts Rock (once / 704 pages) n WORD FAMILY Rock: Rocks USAGE EXAMPLESShe was a Girl Scouts leader, Sunday school teacher and volunteer at Rock Spring Congregational Church in Arlington. Washington Post(Jan 02, 2017) He enlisted in the Army in 2001 after two years at the University of Arkansas at Little Rock. Washington Times(Jan 01, 2017) She was a Girl Scout leader, Sunday school teacher and volunteer at Rock Spring Congregational Church in Arlington. Washington Post(Dec 31, 2016) n United States gynecologist and devout Catholic who conducted the first clinical trials of the oral contraceptive pill (1890-1984) Syn|Exp John Rock gynaecologist, gynecologist, woman's doctor a specialist in gynecology |
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