lx

Từ điển WordNet v3.1 - WordNet Dictionary

I - noun

a unit of illumination equal to 1 lumen per square meter;
0.0929 foot candle
• Syn:
lux
• Hypernyms:
illumination unit
• Part Holonyms:
phot

II - adjective

being ten more than fifty
• Syn:
sixty, 60, threescore
• Similar to:
cardinal