| Atomic age element | 18 |
| Atomic absorption units | 23 |
| Atomic | 6 |
| Atom-splitting Nobelist | 23 |
| Atom-pioneer Harold | 19 |
| Atom, e.g. | 10 |
| Atom's forte | 16 |
| Atom ___, 1960s cartoon superhero | 33 |
| Atom ___ (particle accelerator) | 31 |
| Atom ___ | 8 |
| Atom __ | 7 |
| Atom with extra electrons, perhaps | 34 |
| Atom with an electric charge | 28 |
| Atom with a negative charge | 27 |
| Atom with a charge | 18 |
| Atom who directed "The Sweet Hereafter" | 49 |
| Atom type | 9 |
| Atom studier Niels | 18 |
| Atom splitting | 14 |
| Atom splitter | 13 |
| Atom physicist | 14 |
| Atom parts | 10 |
| Atom part | 9 |
| Atom or protozoan | 17 |
| Atom or molecule | 16 |
| Atom negatively charged | 23 |
| Atom modeler | 12 |
| Atom grp. | 9 |
| Atom constituent | 16 |
| Atom component | 14 |
| Atom centers | 12 |
| Atom and hydrogen | 17 |
| Atom accelerator | 16 |
| Atom | 4 |
| Atolls | 6 |
| Atoll, for one | 14 |
| Atoll, essentially | 18 |
| Atoll's makeup | 18 |
| Atoll's composition | 23 |
| Atoll with no electric lights? | 30 |
| Atoll unit: Abbr. | 17 |
| Atoll unit | 10 |
| Atoll taken in WWII | 19 |
| Atoll substance | 15 |
| Atoll sight | 11 |
| Atoll resident | 14 |
| Atoll protector | 15 |
| Atoll part | 10 |
| Atoll order? | 12 |
| Atoll material | 14 |
| Atoll makeup | 12 |
| Atoll former | 12 |
| Atoll formation | 15 |
| Atoll features | 14 |
| Atoll feature | 13 |
| Atoll explosion | 15 |
| Atoll enclosure | 15 |
| Atoll composition | 17 |
| Atoll component | 15 |
| Atoll builder | 13 |
| Atoll base | 10 |
| Atoll barrier | 13 |
| Atoll | 5 |
| Atmospherics | 12 |
| Atmospheric: Prefix | 19 |
| Atmospheric worries | 19 |
| Atmospheric systems | 19 |
| Atmospheric streaker | 20 |
| Atmospheric starter | 19 |
| Atmospheric region with a "hole" | 42 |
| Atmospheric probe | 17 |
| Atmospheric pressure unit | 25 |
| Atmospheric pressure measurer | 29 |
| Atmospheric pressure line | 25 |
| Atmospheric prefix | 18 |
| Atmospheric pollution meas. | 27 |
| Atmospheric pollution | 21 |
| Atmospheric pollutant | 21 |
| Atmospheric phenomenon during low temperatures | 46 |
| Atmospheric phenomenon | 22 |
| Atmospheric particles | 21 |
| Atmospheric music genre | 23 |
| Atmospheric mix | 15 |
| Atmospheric layer with a "hole" in it | 47 |
| Atmospheric layer of note | 25 |
| Atmospheric layer | 17 |
| Atmospheric hybrid | 18 |
| Atmospheric health hazard | 25 |
| Atmospheric hazard | 18 |
| Atmospheric halo | 16 |
| Atmospheric gas | 15 |
| Atmospheric event | 17 |
| Atmospheric emissions | 21 |
| Atmospheric disturbance | 23 |
| Atmospheric condition in which there is no visibility both horizontally and vertically | 86 |
| Atmospheric condition | 21 |
| Atmospheric concern | 19 |
| Atmospheric beginning | 21 |
| Atmospheric balloon probe | 25 |
| Atmospheric aggregation | 23 |