Definition

Relating to the lumen, which is the inside space of a tubular structure, such as a blood vessel or a plant stem.

Example

The lumenal diameter of the artery was measured during the procedure.

Conversation

Did you notice how the new lighting makes everything look more lumenal?

Yeah, it really brightens up the whole room!

I think it creates a better mood for studying too.

Absolutely! I feel more focused with all that extra light.

Synonyms & Antonyms

Root Explanation

Lumenal → It is formed from "lumen" (from Latin, meaning light) and the suffix "-al" (meaning pertaining to). The word "lumenal" refers to something that is pertaining to or related to light.

Memory Tip

Think of 'lumen' which means light, and remember that 'lumenal' describes something related to light.

Visually Confused Words