| 单词 | gem |
| 释义 | gem (once / 522 pages) 1n 2n A gem is a precious or semi-precious stone, or a jewel. A silversmith might experiment with adding gems to her rings and necklaces. The sparkly gem in your grandmother's fancy ring might be a diamond, while your aunt appears to prefer the polished greenish-blue gems called turquoise. If you're trained to identify and put a value on gems, you can call yourself a gemologist. Gem is from the Old French gemme, which has a Latin root, gemma, "precious stone or jewel." WORD FAMILYgem: gemming, gems USAGE EXAMPLESThis year I’ve been lucky and hit a run of gems. The Guardian(Dec 31, 2016) Tapawingo felt like a Midwest version of a culinary gem in the French countryside, offering farm-to-table fine dining in a tiny town. New York Times(Dec 30, 2016) It’s also great to explore the local area and discover hidden gems. The Guardian(Dec 30, 2016) 1 1n a crystalline rock that can be cut and polished for jewelry he had the gem set in a ring for his wife Syn|Hypo|Hyper gemstone, stone cabochon a highly polished gem that is cut convexly but without facets opaque gema gemstone that is opaque transparent gema gemstone having the property of transmitting light without serious diffusion chrysoberyla rare hard yellow green mineral consisting of beryllium aluminate in crystal form; used as a gemstone garnetany of a group of hard glassy minerals (silicates of various metals) used as gemstones and as an abrasive opala translucent mineral consisting of hydrated silica of variable color; some varieties are used as gemstones amethysta transparent purple variety of quartz; used as a gemstone aquamarinea transparent variety of beryl that is blue green in color cat's eyeany of various gems (as chrysoberyl or chalcedony) that reflect light when cut in a rounded shape calcedony, chalcedonya milky or greyish translucent to transparent quartz chrysolitea brown or yellow-green olivine found in igneous and metamorphic rocks and used as a gemstone chrysoprasea green variety of chalcedony valued as a gemstone citrinesemiprecious yellow quartz resembling topaz coral, precious coral, red coralthe hard stony skeleton of a Mediterranean coral that has a delicate red or pink color and is used for jewelry adamant, diamondvery hard native crystalline carbon valued as a gem emeralda green transparent form of beryl; highly valued as a gemstone jade, jadestonea semiprecious gemstone that takes a high polish; is usually green but sometimes whitish; consists of jadeite or nephrite jasperan opaque form of quartz; red or yellow or brown or dark green in color; used for ornamentation or as a gemstone kunzitea pinkish lilac crystal form of the mineral spodumene that is used as a gemstone lapis lazuli, lazulian azure blue semiprecious stone moonstonea transparent or translucent gemstone with a pearly luster; some specimens are orthoclase feldspar and others are plagioclase feldspar morganitea kind of pink beryl used as a gemstone peridota pale green variety of chrysolite; used as a gemstone rubya transparent deep red variety of corundum; used as a gemstone and in lasers water sapphirea deep blue cordierite often used as a gemstone sapphirea precious transparent stone of rich blue corundum valued as a gemstone hiddenitea green transparent form of the mineral spodumene used as a gemstone aventurine, sunstonea translucent quartz spangled with bits of mica or other minerals topaza mineral (fluosilicate of aluminum) that occurs in crystals of various colors and is used as a gemstone tourmalinea mineral that is a complex borosilicate and hydroxide of aluminum containing iron and magnesium and calcium and lithium and sodium; it is usually black but occurs in transparent colored forms that are used as gemstones turquoisea blue to grey green mineral consisting of copper aluminum phosphate crystal a solid formed by the solidification of a chemical and having a highly regular atomic structure 2n a precious or semiprecious stone incorporated into a piece of jewelry Syn|Hypo|Hyper jewel, precious stone crown jewel a precious stone that is a valuable part of a sovereign's regalia solitairea gem (usually a diamond) in a setting by itself diamonda transparent piece of diamond that has been cut and polished and is valued as a precious gem rubya transparent piece of ruby that has been cut and polished and is valued as a precious gem pearla smooth lustrous round structure inside the shell of a clam or oyster; much valued as a jewel emeralda transparent piece of emerald that has been cut and polished and is valued as a precious gem sapphirea transparent piece of sapphire that has been cut and polished and is valued as a precious gem ice, sparklerdiamonds seed pearla small imperfect pearl jewellery, jewelry an adornment (as a bracelet or ring or necklace) made of precious metals and set with gems (or imitation gems) 3n art highly prized for its beauty or perfection Syn|Hyper treasure art, fine art the products of human creativity; works of art collectively 4n a person who is as brilliant and precious as a piece of jewelry 2Syn|Hyper jewel individual, mortal, person, somebody, someone, soul a human being n a sweet quick bread baked in a cup-shaped pan Syn|Hypo|Hyper muffin bran muffin muffin containing bran corn muffincornbread muffin popoverlight hollow muffin made of a puff batter (individual Yorkshire pudding) baked in a deep muffin cup quick bread breads made with a leavening agent that permits immediate baking |
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英语词典包含147318条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。