Definition

Relating to the measurement of light intensity, especially in terms of its effect on photosynthesis or other processes.

Example

The actinometric measurements were crucial for the solar energy study.

Conversation

Have you heard about the new actinometric sensors they installed at the lab?

Yeah, I read about them! They can measure sunlight more accurately.

That sounds really useful for our experiments!

Absolutely! It will help us get better data on plant growth.

Synonyms & Antonyms

Root Explanation

Actinometric → It is formed from "actino-" (from Greek "aktinos", meaning ray) and "metric" (from Greek "metron", meaning measure). The word refers to the measurement of rays, particularly light rays.

Memory Tip

Think of 'rays' ('actino-') being 'measured' ('metric') — that's what actinometric means.

Visually Confused Words