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What does LD stand for?

LD stands for Lunar Distance (distance between Earth and the Moon)

This definition appears very frequently and is found in the following Acronym Finder categories:

  • Science, medicine, engineering, etc.

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Other Resources:
We have 59 other meanings of LD in our Acronym Attic

Samples in periodicals archive:

Although neither of these object has a chance of hitting Earth, a 10 meter-sized near-Earth asteroid from the undiscovered population of about 50 million would be expected to pass almost daily within a lunar distance, and one might strike Earth's atmosphere about every 10 years on average.
0643 Key: Miss distance: given in terms of lunar distances (LD), the average distance between the Earth and Moon (3.
It was early realized that a decent clock would do the trick, but the necessary practical precision was not attained until the eighteenth century, and Tobias Mayer's distinct method of lunar distances was a useful prior contribution, which continued in use long after the commercial development of Harrison's chronometers.