Wurtzite

a dimorph of sphalerite, zinc sulfide, zns, similar in structure to greenockite and brownish-black in color.
historical examples

encyclopaedia britannica, 11th edition, volume 12, slice 5 various

Read Also:

Wurzburg
a city in nw bavaria, in s germany, on the main river. historical examples complete short works georg ebers selections from the poems and plays of robert browning robert browning history of friedrich ii. of prussia, vol. iii. (of xxi.) thomas carlyle the march family trilogy, complete william dean howells margery [gred], complete georg ebers […]
Wuxi
a city in s jiangsu province, in e china. contemporary examples the aftermath of disney’s ‘million dollar arm’ alex suskind may 15, 2014 noun a city in e china, in s jiangsu province on the grand c-n-l: textile industry. pop: 1 192 000 (2005 est)
Wusses
a weakling; wimp. noun (pl) wusses, wussies (slang, mainly us) a feeble or effeminate person n. mike damone: you are a wuss: part wimp, and part p-ssy [“fast times at ridgemont high” script, 1982]