Woolsack :: Woolsack (n.) A sack or bag of wool; specifically, the seat of the lord chancellor of England in the House of Lords, being a large, square sack of wool resembling a divan in form..
Wringbolt :: Wringbolt (n.) A bolt used by shipwrights, to bend and secure the planks against the timbers till they are fastened by bolts, spikes, or treenails; -- not to be confounded with ringbolt..
Wurbagool :: Wurbagool (n.) A fruit bat (Pteropus medius) native of India. It is similar to the flying fox, but smaller..
Xylenol :: Xylenol (n.) Any one of six metameric phenol derivatives of xylene, obtained as crystalline substances, (CH3)2.C6H3.OH..
Zeolite :: Zeolite (n.) A term now used to designate any one of a family of minerals, hydrous silicates of alumina, with lime, soda, potash, or rarely baryta. Here are included natrolite, stilbite, analcime, chabazite, thomsonite, heulandite, and others. These species occur of secondary origin in the cavities of amygdaloid, basalt, and lava, also, less frequently, in granite and gneiss. So called because many of these species intumesce before the blowpipe..
Zeolitic :: Zeolitic (a.) Of or pertaining to a zeolite; consisting of, or resembling, a zeolite..
Zeolitiform :: Zeolitiform (a.) Having the form of a zeolite.
Zinco-polar :: Zinco-polar (a.) Electrically polarized like the surface of the zinc presented to the acid in a battery, which has zincous affinity..
Zollverein :: Zollverein (n.) Literally, a customs union; specifically, applied to the several customs unions successively formed under the leadership of Prussia among certain German states for establishing liberty of commerce among themselves and common tariff on imports, exports, and transit..