upper semilattice <span class="searchmatch">uppersemilattice</span> (plural <span class="searchmatch">uppersemilattices</span>) (mathematics) The upper subset of a semilattice 2016, James Barnes, “On the decidability...
<span class="searchmatch">uppersemilattices</span> plural of <span class="searchmatch">uppersemilattice</span>...
From sub- + <span class="searchmatch">uppersemilattice</span>. subuppersemilattice (plural subuppersemilattices) (mathematics) A sub-semilattice of an <span class="searchmatch">uppersemilattice</span>. 1988, Manuel Lerman...