Ii-substances

Substance may refer to:
 I-Chemical substance, yinto eluhlobo oluthile esoloko isenziwa nge-chemical composition
 Into eluhlobo lwechiza 
 I-Substance abuse,  sisiyobisi esinxulumene nokukhathalela impilo yabantu kunye nomthetho ojongene nokufumanisa unobangela weziyobisi ekuhlaleni.  
 ISubstance dependence, yi-drug enxulumene nokukhathalelwa kwempilo kwanomthetho ojongene nokufumanisa unobangela weziyobisi ekuhlaleni.  
 I-Matter, nantoni na enobunzima obubizwa ngokuba yi-mass, ize kwaloo nto ikwazi ukuthatha indawo kuloo ndawo ibekwe kuyo. Umzekelo, ikomotyi inobunzima bayo, kwaye xa ibekwe endaweni, loo ndawo ikuyo ikomityi ithathwe yikomotyi. Ngako oko ikomotyi yi-matter kuba inezinto ezimbini ezi zezi; ubunzima obuyi-mass; iphinde ikwazi ukuthatha okanye ukuvala indawo. 
 I-Substance theory, yi-theori ebonisa okokuba i-substance yahlukile kwiimpawu zayo. 
 I-Substance (Joy Division album), 1988
 I-Substance (Blank & Jones album), 2002
 I-Substance 1987, a New Order album
 "I-Substance", yingoma eculwa ngu-Haste the Day from That They May Know You
 Metal Gear Solid 2: Substance, an update of the video game Metal Gear Solid 2: Sons of Liberty
 I-Homoousian, igama lesiKrirestu elithetha ukuba "same substance"

 Okunye okunxulumene  ngee-drugs 
 Drug substance
 Substance abuse, drug-related healthcare and social policy diagnosis or label
 Substance dependence, drug-related healthcare and social policy diagnosis or label