The ⚀trina·hexcia·lengthel, or ⚀membranal·length
The ⚀trina·hexcia·lengthel (abbreviated ⚀t•h↓lgℓ) is a quarter of a ⚀somal·length or a dozenth of an ⚀virinal·length (about 8.24d nanometers). This is a approximately the thickness of a typical cell membrane. As a consequence, a proposed colloquial name for this is the ⚀membranal·length.