<span class="searchmatch">hemiprisms</span> plural of <span class="searchmatch">hemiprism</span>...
From hemi- + prism. <span class="searchmatch">hemiprism</span> (plural <span class="searchmatch">hemiprisms</span>) A half-prism....
accretionary prism Amici prism biprism clino-prism cylinder Dove prism <span class="searchmatch">hemiprism</span> hexagonal prism irregular prism macroprism microprism Nicol prism orthoprism...