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pertaining to an electronic system in which a continuous electrical signal is used to carry nonelectrical information (such as sound), which is represented by variations in the voltage or current that are in direct correlation to the information carried. See also digital.




(ăn′ə-lôg′, -lŏg′)
1. Biology An organ or structure that is similar in function to one in another kind of organism but is of dissimilar evolutionary origin.
2. Chemistry A structural derivative of a parent compound that often differs from it by a single element.
Of, relating to, or being a device in which data or a signal is represented by continuously variable, measurable, physical quantities, such as length, width, voltage, or pressure.


Etymology: Gk, analogos, proportionate
1 a substance, tissue, or organ that is similar in appearance or function to another but differs in origin or development, such as the eye of a fly and the eye of a human.
2 a drug or other chemical compound that resembles another in structure or constituents but has different effects. Also spelled analogue. Compare homolog. analogous, adj.


noun A compound that is structurally similar to another.

adjective An MRI term referring to or having a continuous range of values.

adjective Referring to data in the form of continuously variable (non-discrete) physical quantities, the mode in which most lab instruments produce information, where data is generated as non-discrete signals, as in AC or DC current, voltage changes or pulse amplitudes.

Molecular biology
adjective Referring to a molecule that is structurally and functionally related to another molecule.

noun A molecule that is structurally and functionally related to another molecule.    

noun A therapeutic agent with structural or chemical similarity to, or which mimics the effects of, another agent, but which differs chemically.


, analog (an'ă-lawg)
1. One of two organs or parts in different species of animals or plants that differ in structure or development but are similar in function.
2. A compound that resembles another in structure but is not necessarily an isomer; analogues are often used to block enzymatic reactions by combining with enzymes.
[G. analogos, proportionate]

analog, analogue

1. a part or organ having the same function as another, but of different evolutionary origin.
2. a chemical compound having a structure similar to that of another but differing from it in respect of a certain component; it may have similar or opposite action metabolically.
References in periodicals archive ?
The agreement provides an excellent opportunity for Digium to access new audiences with our new line of digital and analog telephony cards, which are covered by the Digium Exceptional Satisfaction Program - the strongest quality guarantee in open source telephony.
The new products include the TDM800P, an 8-port analog telephony interface card, the TE120P a single span digital telephony interface card and Digium's High Performance Echo Canceller (HPEC).
Built on the philosophy that IP telephony will coexist with traditional analog telephony, SMC Networks' VoIP solutions accommodate that synergy.
Not only is this a safety feature often required by regulation, it also provides a competitive advantage to traditional telephone carriers who want to offer the power and flexibility of VoIP solutions to their customers with the reliability and certainty of existing analog telephony.
The Cantata product included a starter kit with everything d2m needed-- Windows-certified drivers, a four-port analog telephony card, Telephony Interface Manager (TIM), and an evaluation copy of Microsoft Speech Server 2004 R2.
The starter kit included a four-port analog telephony card, Windows-certified drivers, Telephony Interface Manager (TIM) and an evaluation copy of Microsoft Speech Server 2004 R2.
At the same time, however, there are significant quality and operational issues to end users, who don't care about the technology involved, but just want it to work as well as analog telephony.
Customers can now test the convergence of their high-density analog telephony devices to IP telephony according to ITU standards, rather than proprietary technologies.