MLD

American

median lethal dose.
minimum lethal dose.

MLD British

abbreviation

minimum lethal dose (the smallest amount of a drug or toxic agent that will kill a laboratory animal)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"The only way we could have saved Lily would have been to know she had MLD before it started to take effect", Emily says.

From BBC • Apr. 5, 2025

The odds of carrying MLD are 40,000 to one.

From BBC • Apr. 5, 2025

Nala's parents say it would be a fitting testament to her if newborn screening for MLD became the norm.

From BBC • Feb. 14, 2023

In the UK, babies are given a heel-prick blood test which screens for nine genetic conditions, such as cystic fibrosis - but it does not currently include MLD.

From BBC • Feb. 14, 2023

Both girls have MLD, which severely damages the brain and nervous system.

From BBC • Feb. 14, 2023

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023