hologram

noun
UK /ˈhɒl.ə.ɡræm/
US /ˈhɑː.lə.ɡræm/

A hologram is a special picture that looks like a real 3D object floating in the air.

The science museum had a hologram of a dinosaur that looked like it was standing right in front of us.


OTHER MEANINGS

2. A photograph made with laser light that shows a scene in three dimensions.

She kept a hologram of her wedding on the mantelpiece.

3. A security feature on banknotes or cards that changes appearance when tilted.

The new banknote has a hologram of a bird that shifts color.

4. A person or thing that seems unreal or ghostly, like an image without substance.

After the long flight, he felt like a hologram of himself.