Definition

A device that interrupts or blocks light, often used in lighthouses to signal or guide ships.

Example

The eclipser in the lighthouse helped sailors navigate safely at night.

Conversation

Have you ever seen the eclipser at the lighthouse during the tour?

No, I missed that part! What does it do?

It automatically interrupts the light beam to help boats navigate safely.

That sounds really interesting! I want to see it next time.

Synonyms & Antonyms

Root Explanation

Eclipser → It is formed from "eclipse" (from Latin "eclipsare", meaning to obscure or to darken) and "-er" (meaning a person who). An eclipser is a person or thing that obscures or darkens something, often used in the context of celestial events.

Memory Tip

Think of someone or something that 'obscures' ('eclipse') light or visibility — that's what an eclipser does.

Visually Confused Words