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MLD

American  

  1. median lethal dose.

  2. minimum lethal dose.

MLD British  

abbreviation

  1. 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.

"We know there are so many more symptoms to come, that life will only get harder for Lily and that eventually MLD will take her from us far too early," says Emily.

From BBC • Apr. 5, 2025

Libmeldy was first used in the UK in 2023 when it successfully halted the progress of MLD in Teddie.

From BBC • Apr. 5, 2025

Had Joshua’s condition been identified at birth he might have been eligible for a clinical trial of a treatment now available on the NHS that can halt the damage done by MLD.

From BBC • Oct. 2, 2024

Children with this fatal genetic disease are born apparently healthy, but MLD gradually attacks the brain and body.

From BBC • Feb. 14, 2023

Jake, who plays guitar, has recorded a song for his daughter entitled "Lay You Down Easy", which he hopes will raise awareness of the disease, with any money raised going to the MLD Support Association.

From BBC • Feb. 14, 2023

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

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.