| analog | |
| 1. adj. (of a device or system) in which the value of a data item (such as time) is represented by a continuous(ly) variable physical quantity that can be measured (such as the shadow of a sundial) | |
| 2. n. something that bears an analogy to something else | |
| 3. n. (biology) an organ or structure that is similar in function to one in another kind of organism but is of dissimilar evolutionary origin | |
| 4. n. (chemistry) a structural derivative of a parent compound that often differs from it by a single element | |
