Dicer, also known as endoribonuclease Dicer or helicase with RNase motif, is an enzyme that in humans is encoded by the DICER1 gene. Being part of the RNase III family, Dicer cleaves double-stranded RNA (dsRNA) and pre-microRNA (pre-miRNA) into short double-stranded RNA fragments called small interfering RNA and microRNA, respectively. These fragments are approximately 20-25 base pairs long with a two-base overhang on the 3' end. Dicer facilitates the activation of the RNA-induced silencing complex (RISC), which is essential for RNA interference. RISC has a catalytic component argonaute, which is an endonuclease capable of degrading messenger RNA (mRNA).
The Collaborative International Dictionary
Dicer \Di"cer\, n. A player at dice; a dice player; a gamester.
As false as dicers' oaths.
n. 1 A gambler who plays dice. 2 One who, or that which, dices (cuts into cubes); a tool for this purpose.
n. a mechanical device used for dicing food
Usage examples of "dicer".
The crowd bawls of dicers, crown and anchor players, thimbleriggers, broadsmen.
The girl swallows, turns, and makes the sign of the one-god believers as she picks up another set of empty mugs from a table of dicers.
Though the dicers carried no weapons in sight and wore no armor, only plain coats and breeches of dark blue, something about the way they held themselves told Rand they were soldiers.
If one removes all the bells and whistles of contemporary genre fiction -- the thrills, the suspense, the ghosts in the machines, the machines themselves, from computers to fembots to gene splicers and dicers in the grocery aisles -- one is left with very little to entertain or enlighten readers with a taste for transcendence, or even just something resembling Real Life in the 21st century, where the Future butts up against the Everyday, every day.
That made it a formidable slicer and dicer in its own right, yet its real function was mainly to form the basic matrix for the tool's force field and give the force blade balance and some heft.