Having a finely latticed or intricately meshed pattern, like something with many small connected geometric openings.
From Latin 'clathrus' (lattice) plus '-ulate' (having small versions of), a diminutive form describing delicate or fine lattice-like patterns.
This is the scientific way to describe something with a super-fine mesh, like certain types of pollen under a microscope or the intricate surface patterns of some shells.
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