1. Biology: the release of materials by the splitting open of an organ or tissue.2. Botany: the natural bursting open of capsules, fruits, anthers, etc., for the discharge of their contents.3. Surgery: the bursting open of a surgically closed wound.
Most people have pitifully limited vocabularies. It is due to laziness in most cases. Don't pass over words you don't know. Write them down. Look them up. Compile lists. Review the lists.