Frequency: The word is one of the 1500 most common words in English.
1.
Nuclear means relating to the nuclei of atoms, or to the energy released when these nuclei are split or combined.
...a ~ power station.
...~ energy.
...~ physics.
ADJ: ADJ n
2.
Nuclear means relating to weapons that explode by using the energy released when the nuclei of atoms are split or combined.
They rejected a demand for the removal of all ~ weapons from UK soil.
...~ testing.
= atomic
ADJ: ADJ n