T he following foods contain MSG or its business end-the free amino acid glutamate-in amounts large enough to cause reactions in those sensitive to it.: 1  Taste No 5 Umami Paste MSG disguised as a substitute for MSG. 2  A travesty of misleading labeling and marketing.
Top Definition. LDT. Limp dick trick, also known as LDT for short, is the act of getting a special job to cure what may be a limp situation after a distributed, or concentrated load has been given. Man, after I blew that distributed load, she left me spent, but she wanted more.imp dick trick, also known as LDT for short, is the act of getting a special job to cure what may be a limp situation after a distributed, or concentrated load has been given. Man, after I blew that distributed load, she left me spent, but she wanted more.
The value of LD 50 for a substance is the dose required to kill half the members of a tested population after a specified test duration. LD 50 figures are frequently used as a general indicator of a substance's acute toxicity. A lower LD 50 is indicative of increased toxicity.D50 redirects here. For other uses, see LD50 (disambiguation) . In toxicology, the median lethal dose, LD50 (abbreviation for  lethal dose, 50%), LC50 (lethal concentration, 50%) or LCt50 is a measure of the lethal dose of a toxin, radiation, or pathogen.