| 1. | hexagonal: a bolt with a matching washer and hex nut. |
| 2. | hexadecimal (def. 1). |

| 1. | hexagon |
| 2. | hexagonal. |
| a combining form meaning “six,” used in the formation of compound words: hexapartite. |
l]
| 1. | Also, hex. of or pertaining to a numbering system that uses 16 as the radix, employing the numerals 0 through 9 and representing digits greater than 9 with the letters A through F. |
| 2. | relating to or encoded in a hexadecimal system, esp. for use by a digital computer. |
hexa- or hex-
pref.
Six: hexagram.
Containing six atoms, molecules, or groups: hexose.
hex
1. hexadecimal.
2. A 6-pack of anything (compare quad). Neither usage has anything to do with magic or black art, though the pun is appreciated and occasionally used by hackers. True story: As a joke, some hackers once offered some surplus ICs for sale to be worn as protective amulets against hostile magic. The chips were, of course, hex inverters.
3.
[The Jargon File]
(1995-03-06)