lumen-hour

lu·men-hour

L l

Transcription

- US Pronunciation
- US IPA
- [loo-muh n ouuh r, ou-er]
- /ˈlu mən aʊər, ˈaʊ ər/

- US Pronunciation
- US IPA
- [loo-muh n ouuh r, ou-er]
- /ˈlu mən aʊər, ˈaʊ ər/

Definition of lumen-hour word

noun lumen-hour a unit of luminous energy, equal to that emitted in 1 hour by a light source emitting a luminous flux of 1 lumen. Abbreviation: lm-hr. 1

Just one definition for lumen-hour

Information block about the term

Origin of lumen-hour

First appearance:

before 1920

One of the 12% newest English words

First recorded in 1920-25

Historical Comparancy

Parts of speech for Lumen-hour

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

Full grammatical hierarchy of Lumen-hour

lumen-hour popularity

A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 32% of English native speakers know the meaning and use word.

According to our data about 64% of words is more used. This is a rare but used term. It occurs in the pages of specialized literature and in the speech of educated people.