[{"Bold_text": "noun", "List Items": ["a positively-charged particle consisting of a proton and two neutrons, equivalent to the nucleus of an atom of tritium."]}, {"Bold_text": "noun", "List Items": ["Classical Mythology.a son of Poseidon and Amphitrite, represented as having the head and trunk of a man and the tail of a fish, and as using a conch-shell trumpet.", "Astronomy.a moon of Neptune.", "(lowercase)any of various marine gastropods of the family Cymatiidae, having a large, spiral, often beautifully colored shell.", "(lowercase)the shell of a triton."]}]