a bolt with a matching washer and hex nut.
(transitive) to bewitch
an evil spell or symbol of bad luck
1830, American English, from Pennsylvania German hexe “to practice witchcraft,” from German hexen “to hex,” related to Hexe “witch,” from Middle High German hecse, hexse, from Old High German hagazussa (see hag). Noun meaning “magic spell” is first recorded 1909; earlier it meant “a witch” (1856).
A jinx or curse; the Indian Sign, Whammy: I lose every time, must be a hex on me
[1909+; ultimately fr German Hexe, ”witch”]
spelling Mis-spelling of “hexadecimal”. (1998-03-03)
jargon /hek’sit/ A hexadecimal digit (0-9, and A-F or a-f). Used by people who claim that there are only *ten* digits, sixteen-fingered human beings being rather rare, despite what some keyboard designs might seem to imply (see space-cadet keyboard). [Jargon File] (1996-03-09)
hexitol hex·i·tol (hěk’sĭ-tôl’, -tōl’) n. The sugar alcohol obtained on the reduction of a hexose.
- Hexokinase method
hexokinase method n. A highly specific method for determining the concentration of glucose in serum or plasma by spectrophotometrically measuring the NADP formed from hexokinase-catalyzed transformations of glucose and various intermediates.