noun
definition
An order for goods or services placed in advance.
definition
A binary relation that is reflexive and transitive.
example
The relation of logical implication over sentences is an example of a preorder.
verb
definition
To order (goods or services) in advance, before they are available.
definition
To sort or arrange beforehand.
adjective
definition
(of a traversal of a tree) Such that, recursively, the root is visited before the left and right subtrees.
Examples of preorder in a Sentence
For most of the games you can preorder at this retailer, you only need a $5 deposit.
You can find most upcoming video games available for preorder on Amazon.com.
The only way that you could guarantee a copy was to preorder Nintendo Wii games like this.
Some companies also offer blank invitations for customers to preorder their personalized text or wording.
A few retailers let you pay for the whole cost of the game on the day you preorder it, if the store knows the retail price.
With the large amount of video game retailers online, finding a store on the Internet to preorder a game from should be easy.
Best Buy doesn't allow you pay for the game in full, but your chances of obtaining a preorder claim ticket are good.
Gamestop. This company has been doing preorder games longer than most retailers and gives you a couple more choices to pay for the game.
Two, you have the option to pay for the game in full when you preorder the game.
Gamers who preorder Madden 2006 from certain retailers can play for free online and tap into USA Today's fantasy football previews.
The only way that you can guarantee you'll get a copy on launch day is to preorder Nintendo Wii games that you really want to play.
The company took this drastic action because of extremely high demand for the new iPhone model, which exceeded preorder levels of the iPhone 3GS by about 10 times on the first day of sales.
Toys-R-Us offers a three-pack of hamsters on preorder for the 2009 holiday season, with an estimated shipping date of December 11.
Just about every major retailer offers you the ability to pre order video games, but not all video games will be available to preorder at each retailer.
The last thing you want to see when you arrive at the local video game store is a "sold out" sign, so it's probably in your best interest to preorder Nintendo Wii games.