1. subst. A fundamental, generic term used when referring to the measurement (count, amount) of a scalar, vector, number of items or to some other way of denominating the value of a collection or group of items
You have to choose between quantity and quality.
2. subst. An indefinite amount of something.
Some soap making oils are best as base oils, used in a larger quantity in the soap, while other oils are best added in a small quantity.
Olive oil can be used practically in any quantity.
3. subst. A specific measured amount.
This bag would normally costs $497.50 for a quantity of 250, at a price of $1.99 per piece.
Generally it should not be used in a quantity larger than 15 percent.
4. subst. A considerable measure or amount.
The Boeing P-26A was the first all-metal monoplane fighter produced in quantity for the U.S. Army Air Corps.
5. subst. (metrology) Property of a phenomenon, body, or substance, where the property has a magnitude that can be expressed as number and a reference.
6. subst. (mathematics) Indicates that the entire preceding expression is henceforth considered a single object.
x plus y quantity squared equals x squared plus 2xy plus y squared.
14. [b] to deal in something: handeln mit, in etwas handeln, mit etwas handeln
15. [c] to deal with something: etwas wissenschaftlich darlegen, abhandeln; etwas zum Thema haben; bearbeiten; befassen; etwas behandeln; mit etwas befasst, beschäftigt sein; sich mit etwas beschäftigen; etwas bestreiten, bewältigen, erledigen; mit etwas handeln
16. [d] to deal with someone: mit jemandem geschäftlich verkehren, mit jemandem Handel treiben, mit jemandem handeln, mit jemandem verfahren; von jemandem beziehen
[1a] The player was dealt four cards.
[1b] She deals out three cards to each player.
[2] The pitcher deals a real humdinger.
[3a] He's dealing to support his habit.
[3b] As a serious journalist, I do not deal in speculation but facts.
[3c] Don't worry, the problem's already been dealt with.