A person employed to sand wood. / A machine to mechanize the process of sanding. / (rail transport) A device which spreads sand on the rails in wet, snowy, icy, slippery conditions to improve tract...

Of or relating to both the Indo-European and the Semitic languages, or to a proposed ancestor of both.

present participle of de-parochialise

Any of a number of related statistical methods that allow the researcher to correct for selection bias.