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Logarithm
One of a class of auxiliary numbers, devised by John Napier, of Merchiston, Scotland (1550-1617), to abridge arithmetical calculations, by the use of addition and subtraction in place of multiplication and division.
A Hebrew measure of liquids, containing 2.37 gills.
oewn 202368% interchangeable
Open English WordNet places these words in at least one shared synset. They share a lexicalised sense, but context, register and collocation should still be checked before substitution.
These words appear together in curated vocabulary groups. They may be alternatives, contrasts or neighbouring ideas, so check the definition before replacing your original word.