(countable) A Scottish surname transferred from the nickname, notably of the Scottish patriot William Wallace.

The evolutionary theory of Alfred Russel Wallace.

plural of Wallace

A faunal boundary line that separates the ecozones of Asia and Wallacea, a transitional zone between Asia and Australia.

(computing) An efficient hardware implementation of a digital circuit that multiplies two integers.

plural of Wallace tree

One of 105 counties in Kansas, United States. County seat: Sharon Springs. Named after W.H.L. Wallace.

Megachile pluto, a very large Indonesian resin bee.

(mathematics) The theorem that any closed, orientable, connected 3-manifold may be obtained by performing Dehn surgery on a framed link in the 3-sphere with ±1 surgery coefficients, and that each component of the link can be assumed to be unknotted.

A tool used in prehospital and emergency medicine to estimate the total body surface area affected by a burn, assigning percentages (mostly 9%) to various major body parts.