| core definitions |
| # | Definition | Sets |
| 1 | the central part of the earth | 34 sets |
| 2 | the central part of the earth below the mantle | 25 sets |
| 3 | the center of the earth | 22 sets |
| 4 | center of the earth | 13 sets |
| 5 | extends from the bottom of the mantle to the center of the earth | 12 sets |
| 6 | the center of the sun | 11 sets |
| 7 | the center of an object | 10 sets |
| 8 | center of the sun | 7 sets |
| 9 | center of earth | 7 sets |
| 10 | a large sphere of metal that occupies earth's center | 7 sets |
| 11 | the innermost layer of earth, located beneath the mantle | 7 sets |
| 12 | extends from the bottom of the mantle to the center of the earth. | 7 sets |
| 13 | pupil | 7 sets |
| 14 | the middle of the earth | 7 sets |
| 15 | congress of racial equality | 6 sets |
| 16 | the innermost layer of earth | 5 sets |
| 17 | the innermost layer of the earth | 5 sets |
| 18 | the center layer of the earth | 5 sets |
| 19 | national or global regions where economic power, in terms of wealth, innovation, and advanced technology, is concentrated. | 5 sets |
| 20 | national or global regions where economic power, in terms of wealth, innovation, and advanced technology, is concentrated | 5 sets |
| 21 | the sphere of very hot metal at the center of the earth | 5 sets |
| 22 | earth's center | 4 sets |
| 23 | the deepest layer of the earth and is found in the center | 4 sets |
| 24 | the center part of the earth, beneath the mantle | 4 sets |
| 25 | the inner most layer of the earth | 4 sets |
| 26 | the part of a star when nuclear fusion takes place | 4 sets |
| 27 | earth's innermost layer | 4 sets |
| 28 | the central part of the sun, where nuclear fusion occurs | 4 sets |
| 29 | the core is made up of two parts – the outer core & inner core. iron and nickel make up both parts. | 4 sets |
| 30 | center layer of the earth | 4 sets |
| 31 | center of the earth which consists of very hot metal, mainly iron and nickle | 4 sets |
| 32 | the central, spherical part of the earth below the mantle | 4 sets |
| 33 | the central part of earth | 4 sets |
| 34 | center, nucleus | 3 sets |
| 35 | central region | 3 sets |
| 36 | central part of the earth | 3 sets |
| 37 | parte central, núcleo | 3 sets |
| 38 | the central part of the earth below the mantle. | 3 sets |
| 39 | the central region of the sun, where nuclear fusion takes place | 3 sets |
| 40 | used in stone tool making. it is the chunk of preferred stone that is hit with a hammerstone to remove a large flake. this flake is then further flaked to create a tool. | 3 sets |
