the return of water seaward, down the foreshore of a beach, following the uprush of a wave.
- Back salary
noun See back pay Historical Examples Better pay up your back salary instead of sitting there howling at me. Around The Tea-Table T. De Witt Talmage Byram came to look at you; he brought your back salary—all of it. The Maids of Paradise Robert W. (Robert William) Chambers Camm and a number of clergymen sued […]
- Back saw
a short saw with a reinforced back. Historical Examples The back saw is used almost exclusively for making tenons, and has uniformly fine teeth so as to give a smooth finish to the wood. Carpentry for Boys J. S. Zerbe The rabbets on the end pieces were cut out with the back saw and chisel. […]
a short saw with a reinforced back. Historical Examples Mark the tenons on the ends of the stretcher and cut them with a backsaw and make smooth with a chisel. Mission Furniture H. H. Windsor Cut all the tenons with a backsaw and smooth them with a chisel. Mission Furniture H. H. Windsor If they […]
the deflection of nuclear particles or of radiation in a scattering process through an angle greater than 90°. backscatter (bāk’skāt’ər) The deflection of radiation or particles by electromagnetic or nuclear forces through angles greater than 90° to the initial direction of travel. The radiation or particles so deflected.