A/D converter Quick reference
A Dictionary of Computer Science (7 ed.)
A device that can accept an analogue, i.e. continuous, signal whose amplitude lies within a given range, and produce an equivalent digital signal, i.e. an ...
Aalen model Quick reference
A Dictionary of Statistics (3 ed.)
A *linear regression model describing the manner in which the *expected value of a response variable, Z(...
Aardvark Reference library
The Encyclopedia of Mammals (3 ed.)
Few people have had the fortune of a close encounter with the aardvark, one of Africa's most bizarre and specialized
abdominal injury Quick reference
The Oxford Dictionary of Sports Science & Medicine (3 ed.)
abduction Quick reference
The Oxford Dictionary of Sports Science & Medicine (3 ed.)
Movement of a body segment (e.g. arm or leg) away from the midline of the body. The term also refers to the movement of fingers or toes when they are spread apart. ...
abductor muscle Quick reference
A Dictionary of Zoology (5 ed.)
A muscle that draws a structure (e.g. a limb) away from the centre line of the body. Compare
aberration Quick reference
A Dictionary of Physics (8 ed.)
aberration of starlight Quick reference
A Dictionary of Astronomy (3 ed.)
abscisic acid Quick reference
A Dictionary of Genetics (8 ed.)
a plant hormone synthesized by chloroplasts. High levels of abscisic acid result in the abscission of leaves, flowers, and fruits.
absolute configuration Quick reference
A Dictionary of Chemistry (8 ed.)
A way of denoting the absolute structure of an optical isomer (see
absolute encoder Quick reference
A Dictionary of Mechanical Engineering (2 ed.)
absolute value Quick reference
The Concise Oxford Dictionary of Mathematics (6 ed.)
For any real number a, the absolute value (also called the *modulus) of a, denoted by |a...
absorption coefficient Quick reference
A Dictionary of Electronics and Electrical Engineering (5 ed.)
For a travelling wave in a lossy medium, the fraction of the power lost per incremental length, given in differential form by...
absorption laws Quick reference
A Dictionary of Computer Science (7 ed.)
The two self-dual lawsx∨(x∧y)=xx∧(x∨y)...
absorption laws Quick reference
The Concise Oxford Dictionary of Mathematics (6 ed.)
For all sets A and B,
A∩(A∪B)=AandA∪(A...
abstract data type Quick reference
A Dictionary of Computer Science (7 ed.)
A *data type that is defined solely in terms of the operations that apply to objects of the type without commitment as to how the value of such an object is to be represented (...
abstraction Quick reference
A Dictionary of Chemistry (8 ed.)
A chemical reaction that involves bimolecular removal of an atom or ion from a molecule. An example is the abstraction of hydrogen from methane by reaction with a radical:...
abstract reduction system Quick reference
A Dictionary of Computer Science (7 ed.)
A general characterization of the process of deriving or transforming data by means of rules. It is an abstraction based primarily on examples of ...
acceleration Quick reference
A Dictionary of Chemical Engineering
The rate of change of speed or velocity with respect to time. If the acceleration is constant then the final velocity, ...
acceleration Quick reference
A Dictionary of Physics (8 ed.)
Symbol a. The rate of increase of speed or velocity. It is measured in m s−2. For a body moving linearly with constant acceleration ...
