Dip may refer to:
A diphthong (/ˈdɪfθɒŋ/ DIF-thong or /ˈdɪpθɒŋ/ DIP-thong; from Greek: δίφθογγος, diphthongos, literally "two sounds" or "two tones"), also known as a gliding vowel, is a combination of two adjacent vowel sounds within the same syllable.
Diphenhydramine is an antihistamine mainly used to treat allergies. It is also used for insomnia, symptoms of the common cold, tremor in parkinsonism, and nausea.
The United States Diplomatic Security Service (or DSS) is the federal law enforcement and security arm of the United States Department of State.
Diphtheria is an infection caused by the bacterium Corynebacterium diphtheriae. Signs and symptoms may vary from mild to severe.
Thomas Wesley Pentz (born November 10, 1978), better known by his stage name Diplo, is an American DJ, record producer, rapper, singer, songwriter and record executive based in Los Angeles, California.