The phrase "monolithic block" refers to a large and solid object that is made up of a single, unified material. It describes something that is massive and unchanging, without any divisions or separations within it. Full definition
He is also exhibiting an octagonal monolithic block with computer machinery inside called The Thinker (After Rodin). (news.bbc.co.uk)
Tyson, 33, who found fame with his unusual work of a Kentucky Fried Chicken menu encased in lead, has exhibited a collection of work including an octagonal monolithic block packed with computers which he has named after Rodin's sculpture, The Thinker. (highbeam.com)
«We can't just talk about the hippocampus as one monolithic block driving the neocortex,» says Brown neuroscientist Mayank Mehta about the group's findings. (scientificamerican.com)