how to pronounce lumen

/ˈluː.mən/

audio example by a male speaker

audio example by a female speaker

the above transcription of lumen is a detailed (narrow) transcription according to the rules of the International Phonetic Association; you can find a description of each symbol by clicking the phoneme buttons in the secction below.

lumen is pronounced in two syllables

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1.

uː

2. example pitch curve for pronunciation of lumen

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video examples of lumen pronunciation

An example use of lumen in a speech by a native speaker of british english:

“… the lumen 24-hour water gel was a lovely …”

meanings of lumen

noun:

The bore of a tube such as a hollow needle or catheter.
The cavity or channel within a tube or tubular organ.
The cavity bounded by a plant cell wall.
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.

lumen frequency in english - C2+ level of CEFR

the word lumen occurs in english on average 1.9 times per one million words; this frequency warrants it to be in the study list for C2+ level of language mastery according to CEFR, the Common European Framework of Reference.

topics lumen can be related to

it is hard to perfectly classify words into specific topics since each word can have many context of its use, but our machine-learning models believe that lumen can be often used in the following areas:

1) education, science, and technology;

2) life, nature, and living environment;