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upper

1. Geology archaeol denoting the late part or division of a period, system, formation, etc.
2. Maths (of a limit or bound) greater than or equal to one or more numbers or variables
3. Informal any tooth of the upper jaw
4. Slang any of various drugs having a stimulant or euphoric effect
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

upper

[′əp·ər]
(geology)
Pertaining to rocks or strata that normally overlie those of earlier formations of the same subdivision of rocks.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
"Our award-winning architectural spaces include open kitchens, pizza pan-decorated ceilings and high-definition flat screens, all adding up to deliver a truly unique experience that can only be described as Upper Crust," says Jordan Tobins, founder, CEO and chairman of The Upper Crust.
The nature of the upper crust is granite-metamorphic in the Central System and metamorphic under the basins.
Recent research models have suggested that reservoirs of silica-rich magma, or molten rock, form on and survive for geologically short time scales - in the tens of thousands of years - in the Earth's cold upper crust before they solidify.
at home our pasties and slices are the perfect home baked snack," commented David Girdler, Business Development Director of Upper Crust, part of the 2 Sisters Group.
Upper crust: Pie Factor finalists Amy Williams, Darcy Laceby, Rachel Huskisson and Nicola Hickman prepare for the big vote.
The rich upper crust are taught from birth that ordinary people are not only born to serve them but are also expendable if needs be, hence the demise of moral principles, the welfare state and the rise of injustice, fat cats, hiving off the Royal Mail.
Name another guy who can pull off the ascot and beret look." It seems ascots are big in his world, as he says of the Upper Crust, "AC/DC in Victorian garb.
Employees got the burnt bottom of the loaf, the family got the middle section, while guests were given the upper crust.
He is especially good at the many dialects, both guttural Cockney and pompous upper crust. His women and children are convincing also.
Catering giant Compass is to sell its travel services operation which includes the Upper Crust and Moto chains for pounds 1.82bn.
They're trying to be the party, of the everyman, so they don't appeal enough to the upper crust.
As Luke and Josie become acquainted they fall in love, but he fears she will dump him once she knows the truth about his upper crust background and that his Aunt Tallulah cannot give away property that he owns.

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