| / English Dictionary |
LOGARITHM
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
The exponent required to produce a given number
Synonyms:
Classified under:
Nouns denoting communicative processes and contents
Hypernyms ("logarithm" is a kind of...):
exponent; index; power (a mathematical notation indicating the number of times a quantity is multiplied by itself)
Hyponyms (each of the following is a kind of "logarithm"):
common logarithm (a logarithm to the base 10)
Napierian logarithm; natural logarithm (a logarithm to the base e)
Derivation:
logarithmic (of or relating to or using logarithms)
Context examples:
A potency unit for measuring infectious activity of a biologic product or infectious agent preparation equal to a base-10 logarithm of amount of product or agent preparation that causes infection in the 50% of the tissue culture-containing flasks inoculated with that dilution of infectious material in the product potency assay or pathogen activity assay.
(Log10 50 Percent Tissue Culture Infective Dose, NCI Thesaurus)
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