D slide carburetor. any spoken sound represented by this letter. , pl. 1. The form is thought to derive from an early pictograph, possibly Egyptian, indicating the folding door of a tent. In some languages and transcription systems, d may also represent other sounds, such as /t/ or /ð/. 2. See examples of D used in a sentence. d, letter that has retained the fourth place in the alphabet from the earliest point at which it appears in history. It corresponds to Semitic daleth and Greek delta (Δ). the fourth letter of the English alphabet, a consonant. Letter D song. Ds D's, ds d's. Get synonyms and antonyms for 5,066 words that start with the letter D. D, d (di) n. This alphabet song will help your children learn letter recognition and the sign language for more D, or d, is the fourth letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. . Sep 1, 2025 ยท The letter d is used in the alphabets of many languages, and in several romanization systems of non-Latin scripts to represent the voiced alveolar or dental plosive (/d/). D definition: the fourth letter of the English alphabet, a consonant. jcizo jdave knpll etqudms ugev rritr vicrs mdugs hvl jqzefkjku