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.
Diphtheria is an infection caused by the bacterium Corynebacterium diphtheriae. Signs and symptoms may vary from mild to severe.
Diplomacy (from the Greek δίπλωμα, "official document conferring a privilege") is the art and practice of conducting negotiations between representatives of states.
In radio and telecommunications a dipole antenna or doublet is the simplest and most widely used class of antenna.
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.
Diplomatic immunity is a form of legal immunity that ensures diplomats are given safe passage and are considered not susceptible to lawsuit or prosecution under the host country's laws, although they can still be expelled.
A diploma mill (also known as a degree mill) is a company or organization that claims to be a higher education institution but which offers illegitimate academic degrees and diplomas for a fee.
The U.S. Diplomatic Security Service (DSS or DS) is the federal law enforcement and security arm of the United States Department of State.