1. plural of core; the central parts of fruits containing seeds
2. plural of core; the central or most important parts of something
3. plural of core; the innermost parts of planets or other celestial bodies
Usage: geology; astronomy

Examples

• She threw the apple cores in the compost bin.
• The cores of the pears were full of seeds.
• The cores of both arguments were surprisingly similar.
• These issues strike at the cores of our beliefs.
• Scientists study the cores of distant planets.
• The Earth’s core is made of iron and nickel.
• Remove the cores from the apples before baking.