prism /'pnzam; 'pnzam/ n 1 solid figure with similar, equal and parallel ends, and with sides which are parallelograms. 墻; 棱柱(各對(duì)應(yīng)邊平行，各面為平行四邊形之立體圖形)。 2 body of this form, usu triangular and made of glass, which breaks up white light into the colours of the rainbow. 棱柱體; (通常指)三棱鏡; 秩鏡。 prisms