lx

from WordNet (r) 3.0 (2006)

lx
    adj 1: being ten more than fifty [syn: {sixty}, {60}, {lx},
           {threescore}]
    n 1: the cardinal number that is the product of ten and six
         [syn: {sixty}, {60}, {LX}]
    2: a unit of illumination equal to 1 lumen per square meter;
       0.0929 foot candle [syn: {lux}, {lx}]

from The Collaborative International Dictionary of English v.0.48

lx \lx\ adj.
   the Roman numeral representation of {sixty}; six times ten;
   -- a determinate quantifier.

   Syn: sixty, 60, threescore.
        [WordNet 1.5]

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

LX
       Linear eXecutable (OS/2)

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