Lethal Dose 50
Meaning, Term, and Glossary Definition - What is Lethal Dose 50?
Also referred to as LD50, the dose of a toxicant that will kill 50 percent of test organisms within a designated period of time; the lower the LD 50, the more toxic the compound.
Try searching Lethal Dose 50 across the entire website.
Related glossary terms:
Absorbed Dose Administered Dose Applied Dose Biologically Effective Dose Dose Equivalent Dose Rate Dose Response Dose Response Curve Dose-Response Assessment Dose-Response Relationship
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
<-- Search again
View EPA Data Qualifier (Flag) Abbreviations...

Suggestions? This Laboratory Terms page continues to expand and improve. If you have suggestions for improvement, we would enjoy hearing from you. Please contact the webmaster here.


NEW! Allowable Levels Established for DEHP in Bottled Water
Vapor Intrusion Investigations: Air Sampling Tips for Meeting Data Quality Objectives
Incremental Sampling Methodology