duplication

Everyday

1. Making an exact copy of something, or the copy itself. tree →
2. Doing the same work twice when once would be enough; unnecessary repeating. tree →
3. (science) A part of a chromosome or gene that is copied twice. tree →

In the lessons

In maths, duplication can mean doubling; in computing, data duplication means the same file stored twice. At work and in school projects, «avoid duplication» means do not do the same job twice. In science, gene duplication is one way living things change over time. Phrases: «avoid duplication», «duplication of effort», «gene duplication».

Examples

• We split the tasks to avoid duplication. tree →
• The duplication of keys was done at the hardware shop. tree →
• Duplication of the photo made two identical copies. tree →
• There was some duplication: two groups wrote the same poster. tree →
• Gene duplication can lead to new features in living things. tree →
• Copying and pasting caused a duplication in my list. tree →

Note

Noun from the verb «duplicate». Can be countable or uncountable. Related: duplicate (an exact copy), «in duplicate» means in two copies. In maths, duplicating a number means multiplying it by 2.