There are two accepted plural forms of the noun lumen:
Correct plural of lumen is lumina. (From the latin). However, people seem to accept lumens these days. For example, the correct plural of formula is formulae, but people tend to say formulas.
Lumen
A lumen of light is a measurement of visible light. It means the brightness of light and can vary depending on the light source.
One lux = one lumen per square metre See link for more detail.
The plural of "she" is "they", so the plural of "she had" is "they had".
The plural forms for the singular lumen is lumina or lumens, both are accepted plural forms.
Correct plural of lumen is lumina. (From the latin). However, people seem to accept lumens these days. For example, the correct plural of formula is formulae, but people tend to say formulas.
The singular form of "lumina" is "lumen."
Lumen
Double-lumen PICC lines come in two colors. Red is the blood access lumen or arterial lumen and blue is the blood return lumen or venous lumen. Despite the names, neither lumen is leads to an artery, but both lead into a vein.
The root word for lumen is the Latin word "lumen," which means light.
the lumen is bright
Lumen Eclipse was created in 2005.
Lumen Pierce was created in 2010.
Lumen - band - was created in 1998.
Lumen Gentium was created in 1964.
The arterial lumen is the opening of the artery. As an analogy, the toilet paper roll lumen is what you put the spindle through.