We found one dictionary that defines the word pith rays:

General (1 matching dictionary)

1. pith rays: Merriam-Webster

Types: parenchymrays, axial parenchyma, ray parenchyma, uniseriate rays, multiseriate rays, homocellular rays, heterocellular rays, more... ▸ Words similar to pith rays ▸ Usage examples for pith rays ▸ Idioms related to pith rays ▸ Wikipedia articles (New!) ▸ Words that often appear near pith rays ▸ Rhymes of pith rays ▸ Invented words related to pith rays