Definition

A type of rechargeable battery that uses nickel and cadmium as its main components.

Example

The old toys used a nicad battery, which needed to be recharged frequently.

Conversation

Have you ever used a nicad battery for your gadgets?

Yeah, I used one in my old camera!

I heard they can last a long time if taken care of properly.

That's true, but they can lose their charge if left unused for too long.

Synonyms & Antonyms

Root Explanation

The word 'nicad' is derived from 'nickel' (from German 'Nickel', a diminutive of 'Nikolaus', meaning 'copper') and 'cadmium' (from Latin 'cadmium', meaning 'a metal'). 'Nicad' refers to a type of rechargeable battery made from nickel and cadmium.

Memory Tip

Think of 'nickel' and 'cadmium' as the two metals that come together to form a rechargeable battery, which is what 'nicad' represents.

Visually Confused Words