ðə bˈælɐntˌiːn skˈeɪl ɪz ɐ bˌaɪəlˈɑːdʒɪkli dᵻfˈaɪnd skˈeɪl fɔːɹ mˈɛʒɚɹɪŋ ðə dᵻɡɹˈiː ʌv ɛkspˈoʊʒɚ lˈɛvəl ʌv wˈeɪv ˈækʃən ˌɔn ɐ ɹˈɑːki ʃˈoːɹ.
The Ballantine scale is a biologically defined scale for measuring the degree of exposure level of wave action on a rocky shore.