monohedron

plural monohedra · plural monohedrons

1. geometryA solid figure with a single continuous surface (face) and no edges, such as a torus or spheroid.

   This is a reflection of the fact that the monohedron collapses asymptotically to a line (along the w₁-axis) when T -> Tₜ (t -> 0) (Widom, 1975c).

   1972, Cyril Domb, M. S. Green, Joel Louis Lebowitz, Phase Transitions and Critical Phenomena - Volume 9, page 112

2. nauticalA type of hull that has a constant deadrise.

   The beginner may be confused by old hands learnedly discussing the rival merits of monohedron and warped bottoms, so this matter will be cleared up first.

   1961, John Teal, Fast Boats; a Guide to Speed Under Sail and Power, page 34

3. chemistryA pedion.

   Then, in the above example, to RPS lying on the equator there corresponds a prism, to those lying outside the equator, a pyramid, and to the polar point, a monohedron.

   2013, Boris K. Vainshtein, Fundamentals of Crystals, page 185