Term
|
Definition
| a means of locating an object using an emmitted sound and the reflection back from it |
|
|
Term
|
Definition
| a noninvasive technique that uses ultra sound to record the functioning of the heart |
|
|
Term
|
Definition
| formed in imitation of some natural sound |
|
|
Term
|
Definition
| involuntary parrot-like repetition of a word or phrase just spoken by another; echoing |
|
|
Term
|
Definition
| free from echoes and reverberations |
|
|
Term
|
Definition
| the outerpart of the solid earth composed of rock |
|
|
Term
|
Definition
| related to the early Stone Age |
|
|
Term
|
Definition
| a genus of early man (compromising only the piltdown man); dawn man |
|
|
Term
|
Definition
| a very early and crude stone tool |
|
|
Term
|
Definition
| the process or method of printing from a metal or stone surface |
|
|
Term
|
Definition
| relating to the second epoch of the Tertiary period |
|
|
