Main Entry: the·o·rem

Pronunciation: \ˈthē-ə-rəm, ˈthir-əm\

Function: noun

Etymology: Late Latin theorema, from Greek theōrēma, from theōrein to look at, from theōros spectator, from thea act of seeing — more at theater

Date: 1551

1 : a formula, proposition, or statement in mathematics or logic deduced or to be deduced from other formulas or propositions
2 : an idea accepted or proposed as a demonstrable truth often as a part of a general theory : proposition <the theorem that the best defense is offense>
3 : stencil
4 : a painting produced especially on velvet by the use of stencils for each color

— the·o·rem·at·ic \ˌthē-ə-rə-ˈma-tik, ˌthir-ə-\ adjective