adjective, heartier, heartiest. 1. warm-hearted; affectionate; cordial; jovial: a hearty welcome. 2. genuine; sincere; heartfelt: hearty approval; hearty dislike. 3. completely devoted; wholehearted: hearty support.
Triplex may refer to: 1  Triplex (building) , a dwelling composed of three units. 2  Triplex (film) , a French comedy film. 3  Triplex (typeface) , a family of typefaces designed by Zuzana Licko for Emigre in 1989.
Freebase(0.00 / 0 votes)Rate this definition: Simplex. In geometry, a simplex is a generalization of the notion of a triangle or tetrahedron to arbitrary dimension. Specifically, a k-simplex is a k-dimensional polytope which is the convex hull of its k + 1 vertices. More formally, suppose the k + 1 points are affinely independent, which means are linearly independent.