[{"Bold_text": "noun", "List Items": ["a person or thing that carries.", "an employee of the post office who carries mail.", "a person who delivers newspapers, magazines, etc., on a particular route.", "Transportation.an individual or company, as a railroad or steamship line, engaged in transporting passengers or goods for profit. common carrier common carrier.", "an individual or company, as a railroad or steamship line, engaged in transporting passengers or goods for profit.", "common carrier common carrier.", "Insurance.a company that acts or functions as an underwriter or insurer.", "a frame, usually of metal, attached to a vehicle for carrying skis, luggage, etc., as on top of an automobile or station wagon; rack.", "aircraft carrier aircraft carrier.", "Immunology.an individual harboring specific pathogenic organisms who, though often immune to the agent harbored, may transmit the disease to others.", "Genetics.an individual possessing an unexpressed, recessive trait.the bearer of a defective gene.", "an individual possessing an unexpressed, recessive trait.", "the bearer of a defective gene.", "Also calledcarrier wave.Radio.the wave whose amplitude, frequency, or phase is to be varied or modulated to transmit a signal.", "Machinery.a mechanism by which something is carried or moved.", "Chemistry.a catalytic agent that brings about a transfer of an element or group of atoms from one compound to another.", "Also calledcharge carrier.Physics.any of the mobile electrons or holes in a metal or semiconductor that enable it to conduct electrical charge.", "Physical Chemistry.a usually inactive substance that acts as a vehicle for an active substance.", "carrier pigeon carrier pigeon.", "Painting. base1(def16b) base1(def16b)."]}]