An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

1) (n.) Something that has → analogy to something else.
2) Chemistry: (n.) A chemical compound whose molecular structure is closely similar to that of another.
3) Relating to or using signals or information represented by a continuous variable physical quantity such as spatial position or voltage. Often contrasted with → digital.

From Fr. analogue, from Gk. analogon, → analogy.

A computer in which data is stored and processed in the form of continually varying signals representing a physical quantity rather than in the form of individual numerical values. The simplest analogue computers are side rules, thermometers, voltmeters, and speedometers.

→ analogue; → computer.

A chemical compound produced in laboratory experiments to simulate real → interstellar dust grains and thus study them.

→ dust; → analogue.