densus: condensus (consisting of compressed parts; opposed to rarus): spissus (consisting of parts so compressed, that scarcely any interstices are visible; almost impervious, impenetrable; opposed to solutus): solidus (consisting of a firm mass, massive; opposed to cassus, pervius): confertus (pressed together, crammed, as it were; opposed to rarus): artior or arctior (compressed into a small space): pressus (of an orator’s style, concise, nervous): brevis (also of style, etc.). Solid food, cibus plenus: solid learning, doctrina or eruditio accurata, subtilis, recondita, exquisita (☞ not solida; yet solida gloria, solida utilitas are correct). To make solid (according to the above distinctions), densare: condensare: spissare: conspissare: solidare: to become solid, densari, etc. (passive of the above verbs); spissescere: solidescere.