Definition

A type of curve that describes a smooth, periodic oscillation, often used in mathematics and physics to represent waveforms.

Example

The graph of the function showed a perfect sinusoid, illustrating the wave-like behavior of the signal.

Conversation

I was reading about the sinusoid and its applications in biology.

Oh really? How does it relate to our organs?

It turns out that the sinusoid is crucial for blood flow in the liver.

That's fascinating! I didn't know it played such an important role.

Synonyms & Antonyms

Root Explanation

Sinusoid → It is formed from "sinus" (from Latin, meaning curve or fold) and "-oid" (from Greek "eidos", meaning form or shape). The word "sinusoid" refers to a shape that resembles a curve or wave, specifically the smooth periodic oscillation of a sine wave.

Memory Tip

Think of a 'curve' ('sinus') that has a specific 'shape' ('-oid') — that's why a sinusoid describes a wave-like form.

Visually Confused Words