Definition of Subtraction. Meaning of Subtraction. Synonyms of Subtraction

Here you will find one or more explanations in English for the word Subtraction. Also in the bottom left of the page several parts of wikipedia pages related to the word Subtraction and, of course, Subtraction synonyms and on the right images related to the word Subtraction.

Definition of Subtraction

Subtraction
Subtraction Sub*trac"tion, n. [L. subtractio a drawing back. See Subtract, and cf. Substraction.] 1. The act or operation of subtracting or taking away a part. 2. (Math.) The taking of a lesser number or quantity from a greater of the same kind or denomination; an operation for finding the difference between two numbers or quantities. 3. (Law) The withdrawing or withholding from a person of some right to which he is entitled by law. Note: Thus the subtraction of conjugal rights is when either the husband or wife withdraws from the other and lives separate without sufficient reason. The subtraction of a legacy is the withholding or detailing of it from the legatee by the executor. In like manner, the withholding of any service, rent, duty, or custom, is a subtraction, for which the law gives a remedy. --Blackstone.
subtraction
Compound Com"pound, a. [OE. compouned, p. p. of compounen. See Compound, v. t.] Composed of two or more elements, ingredients, parts; produced by the union of several ingredients, parts, or things; composite; as, a compound word. Compound substances are made up of two or more simple substances. --I. Watts. Compound addition, subtraction, multiplication, division (Arith.), the addition, subtraction, etc., of compound numbers. Compound crystal (Crystallog.), a twin crystal, or one seeming to be made up of two or more crystals combined according to regular laws of composition. Compound engine (Mech.), a form of steam engine in which the steam that has been used in a high-pressure cylinder is made to do further service in a larger low-pressure cylinder, sometimes in several larger cylinders, successively. Compound ether. (Chem.) See under Ether. Compound flower (Bot.), a flower head resembling a single flower, but really composed of several florets inclosed in a common calyxlike involucre, as the sunflower or dandelion. Compound fraction. (Math.) See Fraction. Compound fracture. See Fracture. Compound householder, a householder who compounds or arranges with his landlord that his rates shall be included in his rents. [Eng.] Compound interest. See Interest. Compound larceny. (Law) See Larceny. Compound leaf (Bot.), a leaf having two or more separate blades or leaflets on a common leafstalk. Compound microscope. See Microscope. Compound motion. See Motion. Compound number (Math.), one constructed according to a varying scale of denomination; as, 3 cwt., 1 qr., 5 lb.; -- called also denominate number. Compound pier (Arch.), a clustered column. Compound quantity (Alg.), a quantity composed of two or more simple quantities or terms, connected by the sign + (plus) or - (minus). Thus, a + b - c, and bb - b, are compound quantities. Compound radical. (Chem.) See Radical. Compound ratio (Math.), the product of two or more ratios; thus ab:cd is a ratio compounded of the simple ratios a:c and b:d. Compound rest (Mech.), the tool carriage of an engine lathe. Compound screw (Mech.), a screw having on the same axis two or more screws with different pitch (a differential screw), or running in different directions (a right and left screw). Compound time (Mus.), that in which two or more simple measures are combined in one; as, 6-8 time is the joining of two measures of 3-8 time. Compound word, a word composed of two or more words; specifically, two or more words joined together by a hyphen.

Meaning of Subtraction from wikipedia

- Subtraction is an arithmetic operation that represents the operation of removing objects from a collection. The result of a subtraction is called a difference...
- exponentiation and root extraction multiplication and division addition and subtraction This means that if, in a mathematical expression, a subexpression appears...
- Digital subtraction angiography (DSA) is a fluoroscopy technique used in interventional radiology to clearly visualize blood vessels in a bony or dense...
- notions of positive and negative as well as the operations of addition and subtraction. Their use has been extended to many other meanings, more or less analogous...
- such simple results. These are also known as the angle addition and subtraction theorems (or formulae). The identities can be derived by combining right...
- Image subtraction or pixel subtraction is a process whereby the digital numeric value of one pixel or whole image is subtracted from another image. This...
- heart, the images are usually taken using a technique called digital subtraction angiography or DSA. Images in this case are usually taken at 2–3 frames...
- in binary is much like arithmetic in other numeral systems. Addition, subtraction, multiplication, and division can be performed on binary numerals. The...
- operations that a particular ALU supports may be limited to addition and subtraction, or might include multiplication, division, trigonometry functions such...
- the advantage that the fundamental arithmetic operations of addition, subtraction, and multiplication are identical to those for unsigned binary numbers...
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