🇬🇧🇪🇸 core - núcleo : English Lesson

Meaning of "core" ("núcleo"), detailed definition, and a short video lesson below.

The core is the main and most important part of something. It’s like the center piece that everything else is built around or depends on. For example, the core of an apple is the middle with the seeds, and the core of a team is the small group of people who do the most important jobs.

Watch and listen to this English flashcard to understand the word in more detail, with an easy example sentence.

The core of my bedtime routine is figuring out twenty new reasons why I can’t possibly sleep yet.

The core of my weekend plan is doing nothing so hard that it should count as a sport.

The teacher said listening is the core of learning, so my ears sat up straight but my brain went on vacation.

The core of my cat’s schedule is naps, with short breaks for judging everyone.

The core of my exercise routine is lifting the remote and running from chores.

Anna's old robot was quiet. She opened its shell and found a small metal core. The toy was empty without the core. She held the core, put the core into a safe box, then into the robot's center. The robot glowed; the core made it move. Anna smiled and hugged the warm toy.

This word is at the B1 level, which means it’s important for understanding and discussing familiar topics like work, school, or leisure. Words at this level help you express your thoughts, opinions, and experiences with more detail.

Expanding your English vocabulary is one of the best ways to improve your pronunciation, spelling, and confidence in English. Watch the video above to memorize the word, understand its meaning, and see example sentences in action. Discover related words to grow your vocabulary naturally. Add words to your playlist for stress-free, effective learning—anytime, anywhere! Watch, learn, repeat.