sublineation noun5 •A line drawn underneath text; an underline. •The act of underlining. •A system of forming kinship groups that subdivide a major lineage into subgroups of more closely related individuals.The larger the lineage, as a general rule, the more segmented it becomes. Sublineation, on the other hand, depends exclusively on the size and "antiquity" of the lineage. — 1968 •lineation due to the accumulation of matter in cavities beneath the surface.There have been a great many theories as to why the zinc is deposited on and alloyed with the metal treated, but I think that the theory of sublineation is possibly the one most correct. — 1915 •A branch of philosophy concerned with understanding of language.Philosophy interested him, and I found my own education improving with Socrates' as he led me deeper and deeper into mazes of idealism, epistemology and sublineation. — 1954 formssublineations