Definition

To adjust the direction of an optical device so that its line of sight is straight and parallel.

Example

The technician needed to collimate the telescope before the stargazing event.

Tense Forms

Conversation

Hey, do you know how to collimate a telescope properly?

Yeah, it's pretty important to get a clear view of the stars.

I really want to learn so I can see the planets better.

Absolutely! Just make sure to adjust the lenses to collimate the image.

Synonyms & Antonyms

Root Explanation

Collimate is formed from "col-" (meaning together) and "limare" (meaning to smooth or to limit). The word describes the act of aligning or adjusting something to ensure it is straight or focused together.

Memory Tip

Think of aligning things 'together' ('col-') to make them smooth or focused ('limare'). This helps you remember that 'collimate' means to align or adjust.

Visually Confused Words