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 (krĕn′yə-lĭt, -lāt′) or cren·u·lat·ed (-lā′tĭd)
Having a margin or contour with shallow, usually rounded notches and projections; finely notched or scalloped: a crenulate leaf; a crenulate coastline.

[New Latin crēnulātus, from crēnula, diminutive of Medieval Latin crēna, notch.]

cren′u·la′tion n.


1. (Biology) any of the teeth or notches of a crenulate structure
2. (Biology) a crenulate formation


(ˌkrɛn yəˈleɪ ʃən)

1. a minute crenation.
2. the state of being crenulate.
References in periodicals archive ?
Additionally, after confession, when Humanum Genus enters the castle, he "symbolically enters the local church," as visual echoes between the castle and with the crenulation common on local East Anglian churches might suggest (91).
D2 locally formed a steep NW [+ or -] SE trending crenulation cleavage, and small scale subvertical sinistral-verging folds.
Close to the contact, the fabric in micaceous rocks typically shows the development of a new crenulation cleavage overprinting the generally planar foliation, and more quartz-rich rocks display moderate to strong cataclasis with undulose extinction and bent mica grains (Fig.
Well developed muscovite psuedomorphs are numerous in the rocks and arranged in the direction of crenulation cleavages in the matrix.
T1 with weak longitudinal crenulation and three slightly more prominent longitudinal carinae.
is different from that of Marenestha inconspicua, being longer and evenly up-curved instead of short and suddenly up-curved, with different crenulation of dorsal and ventral margins, more similar to the ovipositor of some species of Dichopetala.
Alteration of feldspares, replacement of quartz grains and over growth crenulation of grain boundaries, presence of more iron cements, growth of slylolitic lines due to pressure solution, presence of biotite along grain boundaries bent of mica flakes due to pressure effect.
A strong penetrative fabric defined by an alignment of biotite and muscovite is preserved around the Hidden Creek deposit; crenulation cleavage is developed locally near the granite contacts.
Some display crenulation cleavage; all have a phyllitic alignment of the platy minerals.