Word Pronunciation & Dictionary

ld50

Word Rarity Very rare

Frequency: 0.21 in modern English

Syllables: ld50
IPA

3

Scrabble Score

2

Letters

1

Syllables

2

Unique Chars

Meaning

noun

The amount of a substance required to kill half of a given population; a measure of toxicity.

Etymology

Abbreviation of lethal dose 50%.

Inflected Forms

LD50s (plural)

Phrases

effective dose

Frequently Paired Words

IC50 effective dose

Synonyms

semilethal dose

Questions

What does ld50 mean?: The amount of a substance required to kill half of a given population; a measure of toxicity.
Where does ld50 come from?: Abbreviation of lethal dose 50%.

How to pronounce ld50

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