| 单词 | addition |
| 释义 | addition (once / 63 pages) 1n 2n An addition is the act of adding something new, like a baby — a new addition to your family — or what you do in math class: the addition of columns of numbers to get the sum. The noun addition comes from the Old French word adition, meaning "that which is added." A new room built onto your house, a new item in a store's inventory, even another baseball cap in your collection — all of these are additions. Usually thought of as improvements, you may have heard the phrase "welcome addition" to describe a new cast mate to a television show that has lost its creative spark or a new ball field at your local park. WORD FAMILYaddition: additional, additions+/add: addable, added, adder, addible, adding, addition, additive, adds/adder: adders/additional: additionally/additive: additively, additives USAGE EXAMPLESIn addition to her daughter, she is survived by two sons, Mark Lansburgh and Frank Bell Appleby, and four grandchildren. New York Times(Jan 02, 2017) In addition, Rossello pledged to provide female government employees with the same pay as their male counterparts. Seattle Times(Jan 02, 2017) State public security secretary Sergio Fontes said that in addition to the deaths, some inmates escaped, but he did not say how many. Time(Jan 02, 2017) 1 1n the arithmetic operation of summing; calculating the sum of two or more numbers Syn|Hyper plus, summation arithmetic operation a mathematical operation involving numbers 2n the act of adding one thing to another the addition of flowers created a pleasing effect the addition of a leap day every four years Ant|Hypo|Hyper deduction, subtraction the act of subtracting (removing a part from the whole) retrofit the act of adding a component or accessory to something that did not have it when it was manufactured fluoridation, fluoridisation, fluoridizationthe addition of a fluoride to the water supply (to prevent dental decay) increase, step-up the act of increasing something 3n a quantity that is added there was an addition to property taxes this year Syn|Hypo|Hyper gain, increase accretion something contributing to growth or increase indefinite quantity an estimated quantity 4n a component that is added to something to improve it the addition of a bathroom was a major improvement the addition of cinnamon improved the flavor Syn|Hypo|Hyper add-on, improver additive something added to enhance food or gasoline or paint or medicine afterthoughtan addition that was not included in the original plan annex, annexe, extension, wingan addition that extends a main building attachmenta supplementary part or accessory elongation, extensionan addition to the length of something adjuvantan additive that enhances the effectiveness of medical treatment ellan extension at the end and at right angles to the main building artificial additive, food additivean additive to food intended to improve its flavor or appearance or shelf-life hood, lens hooda tubular attachment used to keep stray light out of the lens of a camera component, constituent, element an artifact that is one of the individual parts of which a composite entity is made up; especially a part that can be separated from or attached to a system 5n something combined with what you already have 2he was a new addition to the staff Syn|Hyper accession acquisition something acquired n a suburban area laid out in streets and lots for a future residential area Hyper suburb, suburban area, suburbia a residential district located on the outskirts of a city |
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