ex·po·nen·tial 
/ˌɛkspəˈnɛntʃəl/ adjective
/ˌɛkspəˈnɛntʃəl/ adjective 1 [more exponential; most exponential] : very fast : increasingly rapid
▪ The business has experienced several years of exponential growth. ▪ Prices have increased at an exponential rate. ◊Exponential growth is literally growth that becomes faster and faster as it continues. In ordinary use, however, exponential is understood to mean simply “very fast” when it is used with words like growth and increase. 2 mathematics : including or using an exponent
▪ 103 is an exponential expression.
▪ The business has experienced several years of exponential growth. ▪ Prices have increased at an exponential rate. ◊Exponential growth is literally growth that becomes faster and faster as it continues. In ordinary use, however, exponential is understood to mean simply “very fast” when it is used with words like growth and increase.
▪ 103 is an exponential expression.
— ex·po·nen·tial·ly /ˌɛkspəˈnɛntʃəli/ adverb
▪ Prices have increased exponentially. ▪ exponentially rapid growth
/ˌɛkspəˈnɛntʃəli/ adverb ▪ Prices have increased exponentially. ▪ exponentially rapid growth
