| Noun | 1. | l - a metric unit of capacity equal to the volume of 1 kilogram of pure water at 4 degrees centigrade and 760 mm of mercury (or approximately 1.76 pints) |
| 2. | L - the cardinal number that is the product of ten and five |
| 3. | L - a cgs unit of illumination equal to the brightness of a perfectly diffusing surface that emits or reflects one lumen per square centimeter |
| 4. | L - the 12th letter of the Roman alphabetLatin alphabet, Roman alphabet - the alphabet evolved by the ancient Romans which serves for writing most of the languages of western Europe |
| Adj. | 1. | l - being ten more than fortycardinal - being or denoting a numerical quantity but not order; "cardinal numbers" |