diaeresis
- n a diacritical mark (two dots) placed over a vowel in German to indicate a change in sound
diaghilev
- n Russian ballet impresario who founded the Russian ballet and later introduced it to the West (1872-1929)
diaglyph
- n glyptic art consisting of a sunken or depressed engraving or carving on a stone or gem (as opposed to cameo)
diagnosing
- n identifying the nature or cause of some phenomenon
- v determine or distinguish the nature of a problem or an illness through a diagnostic analysis
- v subject to a medical analysis