Emanation
1. Any substance that flows out or is emitted from a source or origin.
2. The radiation from a radioactive element.
Origin: L. E-mano, pp. -atus, to flow out
actinium emanation, radon-219.
radium emanation, radon-222.
thorium emanation, radon-220.
See: emanon.
Dictionary > Emanations
You will also like...

Principles of Hormonal Control Systems
Hormones are essential in the regulation of the activity of the various biological systems of the human body. The ineffi..

Neural Control Mechanisms
Neurons generate electric signals that they pass along to the other neurons or target tissues. In this tutorial, you wil..

Gibberellins and Gibberellic Acid
This tutorial describes the role of gibberellin family in plants. Find out the effects of gibberellin on plant growth an..

Ecological Research: Measuring & Analysis
This lesson is about the methods used for ecological research, such as quadrat and transect sampling, canopy fogging, an..

Growth and Development of a Human Baby
Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..

Birth Control and Contraception
Different pregnancy and birth control and contraception strategies are described. Read this tutorial to learn each of th..