Ma'anar ƙamus na kalmar ACAULESCENT shine "rashin tushe ko bayyana ba su da wani, kamar yadda wasu tsire-tsire suke da alama suna tasowa daga tushen." Ana amfani da wannan kalma sau da yawa a cikin mahallin ciyayi don siffanta shuke-shuken da suke da ɗan ƙaramin tushe ko babu ganuwa sama da matakin ƙasa, tare da ganye da furanni waɗanda ke fitowa kai tsaye daga tushen ko ɗan ƙaramin tushe na ƙasa.