An accessory structure intended for use as a barrier to property ingress or egress, a screen from an objectionable vista, noise and/or for decorative use
The hearing threshold level above which a material impairment of hearing is considered to have occurred
n 1 A sequence of one or more distinguished ({out-of-band}) characters (or other data items), used to delimit a piece of data intended to be treated as a unit (the computer-science literature calls this a `sentinel') The NUL (ASCII 0000000) character that terminates strings in C is a fence Hex FF is also (though slightly less frequently) used this way See {zigamorph} 2 [among users of optimizing compilers] Any technique, usually exploiting knowledge about the compiler, that blocks certain optimizations Used when explicit mechanisms are not available or are overkill Typically a hack: "I call a dummy procedure there to force a flush of the optimizer's register-coloring info" can be expressed by the shorter "That's a fence procedure"