LDn

This abbreviation is used for the dose of a toxicant lethal to n% of a test population. See median lethal dose.

Ldn

The dose of a toxicant lethal to n% of a test population.

LDN

LDN is a mobile phone abbreviation for London. It can also refer to: ==Other uses== ...
Found on http://en.wikipedia.org/wiki/LDN

LDN

Lynds Dark Nebula, a catalog of dark nebulae
Found on http://www.translationdirectory.com/glossaries/glossary142.htm

LDn

Median dose lethal to n % of a test population
Found on https://sis.nlm.nih.gov/enviro/iupacglossary/annex1.html
No exact match found