1) The state of being crenulate 
In a geological context, crenulation or crenulation cleavage is a fabric formed in metamorphic rocks such as phyllite, schist and some gneiss by two or more stress directions resulting in superimposed foliations. ==Formation== Crenulations form when an early planar fabric is overprinted by a later planar fabric. Crenulations form by recrystallisat...
• (n.) The state of being minutely scalloped. • (n.) A minute crenation.
Cren`u·la'tion noun 1. A minute crenation. 2. The state of being minutely scalloped. 
crenulation 1. A very small notch or indentation; for example, on a plant's leaf. 2. The condition of having very fine notching or indentations along an edge.
a minute crenation. · the state of being crenulate.