Meanings
- not comparablemathematicsPartially forbidden
The IEL component is presented in different emission lines, including the permitted lines \lya\ #92;lambda1216, \civ\ #92;lambda1549, semiforbidden line \ciii\ #92;lambda1909, and forbidden lines \oiii\ #92;lambda#92;lambda4959, 5007.
2016, Zhenzhen Li, Hongyan Zhou, Lei Hao, Shufen Wang, Tuo Ji, Bo Liu, “Strong Optical and UV Intermediate-Width Emission Lines in the Quasar SDSS J232444.80-094600.3: Dust-Free and Intermediate-Density Gas at the Skin of Dusty Torus ?”, in arXiv
Origin
Cite this entry
semiforbidden. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/semiforbidden
“semiforbidden.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/semiforbidden. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “semiforbidden,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/semiforbidden.
Source: semiforbidden on Wiktionary, CC BY-SA 4.0.