The process by which something, such as a gas or liquid, spreads out and becomes evenly distributed, often as a result of random movement or interaction.
The act of disseminating or dispersing substances or information across a wide area, leading to a reduction in concentration in one specific location.
A phenomenon in which different concentrations of a mixture gradually become uniform as they reach a balanced state, often studied in the context of physics and chemistry.
Example:
科学者たちはエイズ・ウイルスの拡散をくい止めようと戦っています。
The increase in the number of countries or entities possessing nuclear weapons through their manufacture or transfer.
The process by which nuclear weapons and technology spread from established nuclear states to additional nations or groups, raising concerns about global security.
The phenomenon of expanding nuclear capabilities among various nations, often leading to geopolitical tensions and efforts to control or prevent such growth through international treaties.
The measure of how effectively something is dispersed or spread out in a given medium or environment.
A numerical value that represents the extent to which a substance or phenomenon diffuses or propagates over time and space.
A metric indicating the degree of distribution or scattering of particles or elements within a specific context.
The rate at which a particular entity spreads from its original source to surrounding areas, affecting concentration and distribution dynamics.