Definition

Relating to a shape that resembles an almond or pertaining to a specific type of mineral or rock that has small cavities filled with other minerals.

Example

The geologist described the rock as amygdaloidal due to its almond-like cavities filled with quartz.

Conversation

Have you ever seen an amygdaloidal rock before?

No, I haven't! What does that mean?

It means the rock has small cavities shaped like almonds filled with other minerals.

That sounds pretty cool! I’d love to check one out.

Synonyms & Antonyms

Root Explanation

Amygdaloidal is formed from "amygdala" (from Greek "amygdalē", meaning almond) and the suffix "-oid" (meaning resembling or like). The term describes something that resembles an almond in shape, often used in anatomical contexts to refer to structures that have an almond-like appearance.

Memory Tip

Think of the Greek word for almond, 'amygdalē', to remember that 'amygdaloidal' refers to something that looks like an almond.

Visually Confused Words