plural of lumen?Advertisement
lumen (plural lumens or lumina) In the International System of Units, the derived unit of luminous flux; the light that is emitted in a solid angle of one steradian from a source of one candela. Symbol: lm. - read more
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. - read more
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