discovery

The word “discovery” means the act of finding something previously unknown, or the thing found. In plain terms, finding something new — an idea, a place, a fact — or, in law, the pre-trial exchange of evidence.

“Discovery” is pronounced dih-SKUHV-ree (/dɪˈskʌv.ɹi/ in IPA).

Here is “discovery” used in a sentence: “The discovery of penicillin changed modern medicine.”

“Discovery” is a noun.

“Discovery” is a fairly common word in modern English, usually learned at around the B1 level.

“Discovery” has 2 distinct senses listed in this dictionary. The most common is: the act of finding something previously unknown, or the thing found.

A discovery is finding something that already existed but wasn't known, like gravity, a new species, or a distant galaxy. An invention is creating something entirely new that didn't exist before, like the light bulb or the telephone. You discover what was already there; you invent what you bring into being. The line can blur, but that's the core distinction.

History is full of them. Alexander Fleming's discovery of penicillin came when he noticed mould killing bacteria in his lab. Explorers discovered new lands; astronomers discover planets and galaxies; scientists uncovered DNA's structure. A discovery can be a deliberate breakthrough after years of research or a lucky accident that no one saw coming.

Exploration is the process of searching and investigating; discovery is the result, the moment you actually find something. You explore a cave, and you discover a hidden chamber inside it. Exploration is the journey and the effort; discovery is the reward at the end. One is the act of looking, the other of finding.

Yes, many of the most famous ones were. Penicillin, X-rays, and microwave cooking all came from chance observations rather than planned searches. This is sometimes called serendipity: finding something valuable while looking for something else, or nothing in particular. A prepared, curious mind often turns a lucky accident into a real discovery.