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in music, a perpetual canoncanon,
in music, a type of counterpoint employing the strictest form of imitation. All the voices of a canon have the same melody, beginning at different times. Successive entrances may be at the same or at different pitches.
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 on a tune that returns to its beginning in which all the voices enter at the unison or the octave. An example is Sumer Is Icumen InSumer Is Icumen In
[M.E.,=summer has (literally: is) come in], an English rota or round composed c.1250. It is the earliest extant example of canon, of six part music, and of ground bass. Four tenor voices are in canon and two bass voices sing the pes, or ground, also in canon.
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. Rounds were popular in 17th-century England when the catch reached its height. The catch was originally just a simple round, e.g., Three Blind Mice, written in a single line with the effect gained by having another singer come in ("make the catch") at the right time. Later, comic effects, often quite bawdy, were added, using the interweaving of the parts. The Rounds, Catches and Canons of England (1864) by E. F. Rimbault is a comprehensive collection. The term round was also used to designate a dance performed in a circle and, by extension, to the tunes for such dances.
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A series of shots fired either simultaneously or with delay periods between them.
To pass and alter direction of travel, as a vessel rounds a cape.
A single munition, missile, or device to be loaded on or in a delivery platform, vehicle, or device for purposes of expenditure; the configuration of the round may vary.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.


1. A wood plane for cutting grooves.
3. A cylindrical metal rod.

round molding, round

A fairly large molding, the section of which is circular (or nearly circular) and convex.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.


1. Maths
a. forming or expressed by an integer or whole number, with no fraction
b. expressed to the nearest ten, hundred, or thousand
2. in the round Theatre with the audience all round the stage
3. a playing of all the holes on a golf course
4. Archery a specified number of arrows shot from a specified distance
5. Music a part song in which the voices follow each other at equal intervals at the same pitch
6. a sequence of bells rung in order of treble to tenor
7. a dance in which the dancers move in a circle
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005


To eliminate rightmost digits in a number when absolute precision is not required or used. One of the most common uses of rounding is with dollar amounts, which can result in more than two decimal places after a division. Following are four of many rounding methods:

  Round Half Up    3.455 -> 3.46
                   3.454 -> 3.45

  Round Half Down  3.455 -> 3.45
                   3.456 -> 3.46

  Round Up         3.456 -> 3.46
                   3.453 -> 3.46

  Round Down       3.458 -> 3.45
                   3.453 -> 3.45

Rounding and a Lot More
For more ways to round numbers than you can imagine, as well as to learn how computers perform mathematical functions at the circuit level, read the entertaining and informative book, "How Computers Do Math" by Clive "Max" Maxfield and Alvin Brown. (John Wiley & Sons, Inc. 2005).
Copyright © 1981-2019 by The Computer Language Company Inc. All Rights reserved. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is strictly prohibited without permission from the publisher.
References in periodicals archive ?
Investors can sell their new shares in round lots and effectively return their portfolio wealth held in this asset to the prior level.(7) The split allows them to more easily diversify their portfolio, while still maintaining a position in the firm.
"If a third-party pricing service doesn't make distinctions between how it prices odd lots and round lots of those same securities, there could very well have been material differences between the prices BOND paid for various odd lots and the prices that third-party pricing services would assign to those same securities," he explained.
"We're all used to being round lots of children and having a laugh and a joke."
Bailey, for example, likes to find stocks selling for between $30 and $70, because this makes buying round lots of 100 shares affordable.
We are lucky ed: "We are very busy round lots on the tour bus eeting lots of radio stations f fans and remembering the as wn as pt ut y." sy Nathan said: everyone else blown up.
"I have been round lots of different dance schools in the area - and so far have no luck at all.
My dad has been round lots of second-hand shops looking for it but it's not been found.
"We didn't do too bad last year, coming fifth with Jade singing the Andrew Lloyd Webber song It's My Time but they did the right thing by going round lots of countries beforehand promoting it.
Ian says he has never had the chance to get bored as he's moved round lots of departments picking up new skills.
While buying in round lots of 100 is cheaper commission-wise, purchasing odd lots is hardly the taboo many claim.
"I had a friend who took me round lots of small bars and clubs and I was amazed how much soul and jazz there was on the scene," he says.
But if you're the sort of person who carries round lots of cargo, lots of people, or even just lots of cups, this could well be the mini-MPV for you.