[{"Bold_text": "noun", "List Items": ["a section made by a plane cutting anything transversely, especially at right angles to the longest axis.", "a piece so cut off.", "a photograph, diagram, or other pictorial representation of such a section.", "the act of cutting anything across.", "a typical selection; a sample showing all characteristic parts, relationships, etc.:a cross section of American opinion.", "Surveying.a vertical section of the ground surface taken at right angles to a survey line.", "Also callednuclear cross section.Physics.a quantity expressing the effective area that a given nucleus presents as a target to a bombarding particle, giving a measure of the probability that the particle will induce a reaction."]}, {"Bold_text": "adjective", "List Items": ["Alsocross-sectional.of or relating to a cross section."]}, {"Bold_text": "verb (used with object)", "List Items": ["to make or divide into a cross section."]}]