lm
word
Definition
'lm' is the symbol for 'lumen,' a unit used to measure the amount of visible light produced by a source.
Usage & Nuances
'lm' is always used in scientific, technical, and product specifications, never in general conversation. It always refers to light output and should not be confused with other measurements like watts (power).
Spanish: lm (símbolo de lumen)Portuguese (BR): lm (símbolo de lúmen)Portuguese (PT): lm (símbolo de lúmen)Chinese (Simplified): lm（流明的符号）Chinese (Traditional): lm（流明的符號）Hindi: lm (ल्यूमेन का प्रतीक)Arabic: لم (رمز اللومن)Bengali: lmRussian: лмJapanese: lm（ルーメン）Vietnamese: lmKorean: lm(루멘)Turkish: lmUrdu: ایل ایم (لومن)Indonesian: lm
Example Sentences
This light bulb gives 800 lm of brightness.
basic
LED lamps often show their lm level on the package.
basic
A flashlight with more lm is brighter.
basic
How many lm does this lamp use?
natural
If you want a brighter room, look for bulbs with higher lm.
natural
Manufacturers list lm on their products because people compare brightness.
natural