What's the difference between intersection and union?

Intersection


Definition:

  • (n.) The act, state, or place of intersecting.
  • (n.) The point or line in which one line or surface cuts another.

Example Sentences:

  • (1) If Cory Bernardi wasn’t currently in a period of radio silence as he contemplates his immediate political future he’d be all over this too, mining the Trumpocalypse – or in our domestic context, mining the fertile political fault line where Coalition support intersects with One Nation support.
  • (2) Using the intersection point of these pH-logPCO2 lines as a point of equal hemoglobin-independent "base excess" for each condition, values for true base excess were plotted.
  • (3) At 5 micrometer and 2.5 mM sulphanilic acid under aerobic conditions, the regression lines for the permeation from lumen to blood pass almost through the origin, while the regression lines for the permeation from blood to lumen intersect the ordinate at a positive Y-value.
  • (4) The two molecules in the asymmetric unit form a dimer with its 2-fold axis perpendicular to and intersecting with a crystallographic 4(1) axis.
  • (5) Senator Edward Kennedy lived his life precisely at the crossroads of all that he encountered – at the intersection of statesmanship, of history, of moral purpose, of tragedy, of compromise.
  • (6) A combination of direct measurement and point and intersection counting techniques was used.
  • (7) Quantitative cell types were determined by a grid intersection counting technique at x 1000.
  • (8) Protests on Wednesday evening continued as smaller groups marched on the city centre, temporarily shutting down traffic on some intersections.
  • (9) In considering hardware, the optimum detector system for cone-beam tomography is a system that satisfies the data sufficiency condition for which the scanning trajectory intersects any plane passing through the reconstructed region of interest.
  • (10) There is the sound of engines hissing and crackling, which have been mixed to seem as near to the ear as the camera was to the cars; there is a mostly unnoticeable rustle of leaves in the trees; periodically, so faintly that almost no one would register it consciously, there is the sound of a car rolling through an intersection a block or two over, off camera; a dog barks somewhere far away.
  • (11) By late afternoon, the intersection of North Avenue and Fulton Avenue had been turned into what one man – bottles of cognac in each hand – called an “open bar”.
  • (12) These pH-activity profiles gave an intersection at pH 6.6.
  • (13) Coyne said the project would “greatly enhance our understanding of the intersection of the important issues at play in contemporary Australia and internationally regarding climate change, natural resource conservation and human rights – particularly the rights of Indigenous peoples”.
  • (14) A projection-less strip appears at the expected retinotopic position in both grisea intersecting radially all the strata of the corresponding neuropiles.
  • (15) Measurements of the angle of the gibbus and the angle of intersection of the renal axes were made in 68 children with thoracolumbar meningomyelocele.
  • (16) Moonlight wins best picture Oscar, after Warren Beatty gives gong to La La Land Read more “Peak blackness is a rare metaphysical anomaly that can only occur when an amalgam of black excellence comes together at the same societal intersection,” he said.
  • (17) Rather than individual voxels, a new exact algorithm is presented that considers the CT data as consisting of the intersection volumes of three orthogonal sets of equally spaced, parallel planes.
  • (18) Then the intersect of regression line of food hoarded during meal time vs. body weight with the X-axis was measured.
  • (19) Very few input data are sufficient to enable the program to work out an optimized dose distribution; optimization is obtained by modifying the intersection point of beams and the size, the wedge and the time of each beam.
  • (20) The intersectional variation in the morphometrically determined collagen density within the sponges was below 20%.

Union


Definition:

  • (n.) The act of uniting or joining two or more things into one, or the state of being united or joined; junction; coalition; combination.
  • (n.) Agreement and conjunction of mind, spirit, will, affections, or the like; harmony; concord.
  • (n.) That which is united, or made one; something formed by a combination or coalition of parts or members; a confederation; a consolidated body; a league; as, the weavers have formed a union; trades unions have become very numerous; the United States of America are often called the Union.
  • (n.) A textile fabric composed of two or more materials, as cotton, silk, wool, etc., woven together.
  • (n.) A large, fine pearl.
  • (n.) A device emblematic of union, used on a national flag or ensign, sometimes, as in the military standard of Great Britain, covering the whole field; sometimes, as in the flag of the United States, and the English naval and marine flag, occupying the upper inner corner, the rest of the flag being called the fly. Also, a flag having such a device; especially, the flag of Great Britain.
  • (n.) A joint or other connection uniting parts of machinery, or the like, as the elastic pipe of a tender connecting it with the feed pipe of a locomotive engine; especially, a pipe fitting for connecting pipes, or pipes and fittings, in such a way as to facilitate disconnection.
  • (n.) A cask suspended on trunnions, in which fermentation is carried on.

Example Sentences:

  • (1) He voiced support for refugees, trade unions, council housing, peace, international law and human rights.
  • (2) 2.39pm BST The European Union called for a "thorough and immediate" investigation of the alleged chemical attack.
  • (3) The night before, he was addressing the students at the Oxford Union , in the English he learned during four years as a student in America.
  • (4) David Cameron has insisted that membership of the European Union is in Britain's national interest and vital for "millions of jobs and millions of families", as he urged his own backbenchers not to back calls for a referendum on the UK's relationship with Brussels.
  • (5) Also critical to Mr Smith's victory was the decision over lunch of the MSF technical union's delegation to abstain on the rule changes.
  • (6) Unions have complained about the process for Chinese-backed companies to bring overseas workers to Australia for projects worth at least $150m, because the memorandum of understanding says “there will be no requirement for labour market testing” to enter into an investment facilitation arrangements (IFA).
  • (7) But still we have to fight for health benefits, we have to jump through loops … Why doesn’t the NFL offer free healthcare for life, especially for those suffering from brain injury?” The commissioner, however, was quick to remind Davis that benefits are agreed as part of the collective bargaining process held between the league and the players’ union, and said that they had been extended during the most recent round of negotiations.
  • (8) George Osborne said the 146,000 fall in joblessness marked "another step on the road to full employment" but Labour and the Trades Union Congress (TUC) seized on news that earnings were failing to keep pace with prices.
  • (9) Anna Mazzola, a civil liberties lawyer who advises the National Union of Journalists and whom I consulted, told me that in general if police can view anyone's images, they can only do so in "very limited circumstances".
  • (10) Solzhenitsyn was exiled from the Soviet Union in 1974 and returned to Russia 20 years later.
  • (11) For a union that, in less than 25 years, has had to cope with the end of the cold war, the expansion from 12 to 28 members, the struggle to create a single currency and, most recently, the eurozone crisis, such a claim risks accusations of hyperbole.
  • (12) Both face and paw receptive fields are unions of a certain set of skin areas called compartments.
  • (13) If wide notice is taken of a current spat over what we can read about Shakespeare’s sexuality into the sonnets in the correspondence columns of the Times Literary Supplement, Sonnet 20 may be a future favourite at civil unions.
  • (14) As the US and the European Union adopted tougher economic sanctions against Russia over the conflict in eastern Ukraine and downing of Malaysia Airlines flight MH17 , Russian officials struck a defiant note, promising that Russia would localise production and emerge stronger than before.
  • (15) The values of human dignity, freedom, democracy, equality, the rule of law and the respect for human rights are absolutely fundamental to the European Union.
  • (16) • Queen Margaret Union, one of the University of Glasgow's two student unions, says 200 students there are marching on the principal's office at the moment to present an anti-cuts petition.
  • (17) Whatever else Scott is about, Waverley ends with a vision of Britishness and a British union.
  • (18) A teaching union has questioned appointment of a trustee of Britain's largest academy chain group as chairman of the schools regulator Ofsted , in what was a surprise announcement meant to calm some of the internal conflicts within the coalition.
  • (19) Corruption scandals have left few among the Spanish ruling class untainted, engulfing politicians on the left and right of the spectrum, as well as businesses, unions, football clubs and even the king’s sister .
  • (20) Thatcher made changes to the UK's tax system, some changes to welfare, and many to the nature of British jobs, both through privatisation and economic liberalisation – not least in her battle with the unions.