Retrieving weather information... 1  The 11 counties with the worst air pollution in N.J. 2  Lyrid meteor shower to brighten N.J. sky. 3  Massive asteroid to make 'very close approach' to Earth this week.  Top 5 TV weather forecasters in NYC and N.J. revealed; time to pick 1  winner. How to safely and securely send us a  tip.
simplex (plural simplexes or simplices) ( 1 geometry, algebraic topology) An analogue in any dimension of the triangle or tetrahedron: the convex hull of n+1 points in n-dimensional space. ( 2 linguistics) A simple word, one without affixes.
1. an archlike structure or the vaultlike space created by such a structure. 2. fornix of brain; either of a pair of arched fiber tracts that unite under the corpus callosum, so that together they comprise two columns, a body, and two crura. fornix. An archlike anatomical structure or fold, such as the arched band of white matter beneath the corpus callosum of the brain.