[ore] n, often attrib [ME or, oor, partly fr. OE ora ore; partly fr. OE ar brass; akin to OHG er bronze, L aes copper, bronze] (bef. 12c) 1: a mineral containing a valuable constituent (as metal) for which it is mined and worked
2: a source from which valuable matter is extracted
[2]ore n, pl ore [Sw ore & Dan & Norw ore] (1716): a monetary unit equal to 1/100 krona (Sweden) or 1/100 krone (Denmark)