What does "diaspore" mean?

A natural hydrate of aluminium, sometimes forming stalactites.

What is a synonym for "diaspore"?

Common synonyms include: dispersal unit, propagule, seed.

Pronounced //ˈdaɪ.əˌspɔɹ//.

/ˈdaɪ.əˌspɔɹ/ noun

noun ·Rare ·Advanced level

Noun

1
A natural hydrate of aluminium, sometimes forming stalactites. countable, uncountable
2
A gemstone consisting of hydrate of aluminium in crystal form. countable, uncountable
3
seeds and fruit together regarded as a dispersal unit. countable, uncountable

From Ancient Greek διασπείρω (diaspeírō, “to scatter”), describing its decrepitation on heating.