1. Plural of hymenium; the spore-bearing surface in fungi, typically consisting of a layer of basidia or asci.
Usage: mycology; technical

Examples

• The hymeniums of the mushroom were visible on the underside of the cap.
• Mycologists examined the hymeniums under a microscope to identify the fungal species.
• The gills of the mushroom contain hymeniums that produce spores.
• Different fungi have hymeniums with distinct structural characteristics.
• The hymeniums release millions of spores into the air for reproduction.