| 单词 | rubber |
| 释义 | rubber (once / 503 pages) 1nv 2adj Rubber is the material that's used to make things like bouncy balls, rain boots, and car tires. Most rubber comes partly from rubber trees. To make rubber, manufacturers harvest latex from rubber trees by tapping them — the process is similar to collecting sap from maple trees. It's then refined and processed, often with other materials, to make things ranging from conveyer belts in factories to balloons and the gloves doctors wear. When rubber first arrived in Europe in the 1700s, it was made into erasers, and the idea of rubbing out mistakes led to the word rubber being coined. WORD FAMILYrubber: rubbered, rubbering, rubberise, rubberize, rubberlike, rubbers, rubbery+/rubberize: rubberized, rubberizing USAGE EXAMPLES“Pipelines and infrastructure projects historically have been rubber stamped across the board,” says Sara Shor, Keep it in the Ground Campaign Manager at 350.org. Time(Dec 01, 2016) When mowing, wear rubber shoes and wash them and the mower off before moving from a severely infected patch to mow other areas. Seattle Times(Dec 01, 2016) The lightweight tree rubber gives the mats a slight slipperiness, which some yogis prefer. Washington Post(Nov 29, 2016) 1 1n an elastic material obtained from the latex sap of trees (especially trees of the genera Hevea and Ficus) that can be vulcanized and finished into a variety of products Syn|Hypo|Hyper India rubber, caoutchouc, gum elastic, natural rubber foam rubber spongy rubber; made by introducing air bubbles before vulcanization and used for cushioning or upholstery crepe rubbercrude natural rubber; used mainly for shoe soles cold rubbera rubber made at low temperatures (5 degrees Centigrade) which is tougher than conventional rubber and is often used in car tires ebonite, hard rubber, vulcanitea hard nonresilient rubber formed by vulcanizing natural rubber Para rubbera type of natural rubber obtained from tropical South American trees latex a milky exudate from certain plants that coagulates on exposure to air 2n any of various synthetic elastic materials whose properties resemble natural rubber Syn|Hypo|Hyper synthetic rubber silicone rubber made from silicone elastomers; retains flexibility resilience and tensile strength over a wide temperature range neoprenea synthetic rubber that is resistant to oils and aging; used in waterproof products buna, buna rubbermade by polymerizing butadiene butyl rubbersynthetic rubber made by polymerizing isobutylene synthetic, synthetic substance a compound made artificially by chemical reactions 3n an eraser made of rubber (or of a synthetic material with properties similar to rubber); commonly mounted at one end of a pencil Syn|Hyper pencil eraser, rubber eraser eraser an implement used to erase something 4n a waterproof overshoe that protects shoes from water or snow Syn|Hyper arctic, galosh, golosh, gumshoe overshoe footwear that protects your shoes from water or snow or cold 5n contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse Hyper birth control device, contraceptive, contraceptive device, preventative, preventive, prophylactic device an agent or device intended to prevent conception 6v coat or impregnate with rubber 2Syn|Hyper rubberise, rubberize coat, surface put a coat on; cover the surface of; furnish with a surface adj returned for lack of funds a rubber check Syn no-good bad having undesirable or negative qualities |
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