Chambers 20th Century Dictionary(0.00 / 0 votes)Rate this definition: Sibilance. sibâ²i-lans, n. a hissing soundâalso Sibâ²ilancy.âadj. Sibâ²ilant, making a hissing sound.ân. a sibilant letter, as s and z.âv.t. Sibâ²ilÄte, to pronounce with a hissing sound.ân. SibilÄâ²tion, a hissing sound.âadjs.
Definition: A delta wave is a type of high amplitude brain wave found in humans. Delta waves have a frequency from one to four hertz and are measured using an electroencephalogram (EEG). These brain waves are thought to emerge from the thalamus and are generally associated with slow-wave sleep (during stages three and four of the stages of sleep.
Delta (album), a 2007 studio album by Delta Goodrem Delta-S, an industrial band from Camarillo, California Delta (computer game), a 1987 horizontally-scrolling shooter computer game Delta (TV series), a 1992 TV series starring Delta Burke Delta Halo, Halo Installation #5 in the Halo Universe Delta FM, a UK radio station Delta Quadrant, a quadrant of the Milky Way Galaxy depicted in Star Trek Delta Squad, the player's team in Star Wars: Republic Commando Delta, a codename used by Jason Bourne in the fiction series The Bourne Identity E-103 Delta, a robot in E-Series (Sonic the Hedgehog) RÂ·Type Delta, the fourth R-Type game in the series EX Delta Species, a PokÃ©mon Trading Card Game expansion