IPA: /ˌspɪk.jʊˈleɪ.ʃən/
KK: /spɪkjuˈleɪʃən/
The process of forming into small, pointed structures or spikes.
The spiculation of the coral was fascinating to observe under the microscope.
Spiculation is formed from "spicula" (from Latin, meaning a small point or spike) and the suffix "-tion" (meaning the action or process of). The word refers to the process of forming small points or spikes, often used in a scientific context.
Think of 'spicula' meaning small spikes, which helps you remember that 'spiculation' refers to the process of forming small pointed structures.