log·a·rithm 
/ˈlɑ:gəˌrɪðəm/ noun
plural log·a·rithms /ˈlɑ:gəˌrɪðəm/ noun [count] mathematics : a number that shows how many times a base number (such as ten) is multiplied by itself to produce a third number (such as 100)
— log·a·rith·mic /ˌlɑ:gəˈrɪðmɪk/ adjective
/ˌlɑ:gəˈrɪðmɪk/ adjective— log·a·rith·mi·cal·ly /ˌlɑ:gəˈrɪðmɪkli/ adverb
/ˌlɑ:gəˈrɪðmɪkli/ adverb
