http://www.wordnik.com/lists/mass-nouns.xml From wikipedia: "In English, mass nouns are characterized by the fact that they cannot be directly modified by a numeral without specifying a unit of measurement, and that they cannot combine with an indefinite article (a(n))." http://www.wordnik.com http://www.wordnik.com/words/sex Tue, 14 Oct 2008 06:19:54 +0000 http://www.wordnik.com/words/sex http://www.wordnik.com/words/work Tue, 14 Oct 2008 06:19:26 +0000 http://www.wordnik.com/words/work http://www.wordnik.com/words/vigor Thu, 22 Nov 2007 03:54:46 +0000 http://www.wordnik.com/words/vigor http://www.wordnik.com/words/bread Thu, 22 Nov 2007 03:53:37 +0000 http://www.wordnik.com/words/bread http://www.wordnik.com/words/ketchup Thu, 22 Nov 2007 03:53:31 +0000 http://www.wordnik.com/words/ketchup http://www.wordnik.com/words/sugar Thu, 22 Nov 2007 03:53:26 +0000 http://www.wordnik.com/words/sugar http://www.wordnik.com/words/flour Thu, 22 Nov 2007 03:53:22 +0000 http://www.wordnik.com/words/flour http://www.wordnik.com/words/air Thu, 22 Nov 2007 03:45:44 +0000 http://www.wordnik.com/words/air http://www.wordnik.com/words/stuff Thu, 22 Nov 2007 03:45:27 +0000 http://www.wordnik.com/words/stuff http://www.wordnik.com/words/water Thu, 22 Nov 2007 03:45:24 +0000 http://www.wordnik.com/words/water http://www.wordnik.com/words/trash Thu, 22 Nov 2007 03:45:18 +0000 http://www.wordnik.com/words/trash http://www.wordnik.com/words/travel Thu, 22 Nov 2007 03:45:14 +0000 http://www.wordnik.com/words/travel http://www.wordnik.com/words/traffic Thu, 22 Nov 2007 03:45:09 +0000 http://www.wordnik.com/words/traffic http://www.wordnik.com/words/software Thu, 22 Nov 2007 03:45:06 +0000 http://www.wordnik.com/words/software http://www.wordnik.com/words/sand Thu, 22 Nov 2007 03:45:02 +0000 http://www.wordnik.com/words/sand http://www.wordnik.com/words/music Thu, 22 Nov 2007 03:44:56 +0000 http://www.wordnik.com/words/music http://www.wordnik.com/words/money Thu, 22 Nov 2007 03:44:46 +0000 http://www.wordnik.com/words/money http://www.wordnik.com/words/meat Thu, 22 Nov 2007 03:44:43 +0000 http://www.wordnik.com/words/meat http://www.wordnik.com/words/mathematics Thu, 22 Nov 2007 03:44:36 +0000 http://www.wordnik.com/words/mathematics http://www.wordnik.com/words/knowledge Thu, 22 Nov 2007 03:44:32 +0000 http://www.wordnik.com/words/knowledge http://www.wordnik.com/words/information Thu, 22 Nov 2007 03:44:26 +0000 http://www.wordnik.com/words/information http://www.wordnik.com/words/grass Thu, 22 Nov 2007 03:44:22 +0000 http://www.wordnik.com/words/grass http://www.wordnik.com/words/furniture Thu, 22 Nov 2007 03:44:18 +0000 http://www.wordnik.com/words/furniture http://www.wordnik.com/words/equipment Thu, 22 Nov 2007 03:44:14 +0000 http://www.wordnik.com/words/equipment http://www.wordnik.com/words/cattle Thu, 22 Nov 2007 03:44:09 +0000 http://www.wordnik.com/words/cattle http://www.wordnik.com/words/blood Thu, 22 Nov 2007 03:44:06 +0000 http://www.wordnik.com/words/blood http://www.wordnik.com/words/advice Thu, 22 Nov 2007 03:44:02 +0000 http://www.wordnik.com/words/advice