Obstruent Obstruent An obstruent is a speech sound such as , , or that is formed by "obstructing" airflow. Obstruents contrast with sonorants, which have no such obstruction and so resonate. All obstruents are consonants, but sonorants include both vowels and consonants. Obstruents are subdivided into plosives (oral stops), such as , with complete occlusion of the vocal tract, often followed by a release burst; fricatives, such as , with limited closure, not stopping airflow but making it turbulent; and affricates, which begin with complete occlusion but then release into a fricative-like release, such as . Obstruents are prototypically voiceless, but
Glossary of comics terminology and "dripping" balloons can indicate sarcasm. In a caption, words appear in a box separated from the rest of the panel or page, usually to give voice to a narrator, but sometimes used for the characters' thoughts or dialogue. In some comics, where speech balloons are not used, the caption provide the reader with text about what is happening in the images. This genre is called "text comics". Sound effects or onomatopoeia are words that mimic sounds. They are non-vocal sound images, from the subtle to the forceful. The reader performs closure by using background knowledge and an understanding of