| A | B |
| Guy Montag | Fireman who loses his zest for burning books |
| Mildred | Guy's wife who spends her days watching television and taking drugs to make her happy |
| Beatty | Montag's fire captain: a paradox because he has read many books but wants them all burned |
| Clarisse McClellan | Teenager who makes Montag start to examine his life |
| Big Flue | Dead bodies are dropped by helicopter into this tube down to the incinerator |
| Salamander | Name given to firetrucks b/c of myth that salamanders can withstand fire |
| Mechanical Hound | An eight-legged robotic "hound" with hypodermic poison fangs. |
| Parlour Wall | A large-screen television - Mildred has three walls |
| Fahrenheit 451 | The temperature that books will burn |
| Pigeons | The metaphor for burning pages that fly above the flames |
| Seashell Radio (Thimble Radios) | "an electronic ocean of sound, of music and talk and music and talk coming in, coming in on the shore of her unsleeping mind." |
| Air-Propelled Train | A silent means of mass transportation |
| Electric-Eyed Snake | A stomach pump |
| Spot-Wavex Converter | Device that allows Mildred to talk to the announcer on TV |