| ld | |
| —abbreviation for | |
| load | |
| Ld | |
| —abbreviation for | |
| Lord (title) | |
| LD | |
| —abbreviation for | |
| 1. | lethal dosage: usually used with a subscript numeral showing what percentage of a test group of animals dies as a result of either being given a substance being tested on them or being exposed to ionizing radiation, esp in the median lethal dose: LD50 |
| 2. | Low Dutch |
LD abbr.
lethal dose
LD
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