# two-stream approximation

> discrete ordinate approximation in which radiation propagating along only two discrete directions is considered

**Wikidata**: [Q7858765](https://www.wikidata.org/wiki/Q7858765)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Two-stream_approximation)  
**Source**: https://4ort.xyz/entity/two-stream-approximation