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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 ?
24 opt Au intercept in RC15-264 is hosted in a zone of muscovite-carbonate schist with crenulation folds, multiple generations of pyrite, and hematite.
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.
T1 with weak longitudinal crenulation and three slightly more prominent longitudinal carinae.
2] is observed as crenulation foliation and/or fracture cleavage that developed from [S.
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.
The gripping surfaces of the rami are crenulated, with crenulation peaks on the two rami arranged in an alternating pattern.
2]) and an associated pressure solution-enhanced crenulation cleavage (S,).
1 mm; each crenulation is associated with a yellow area, each paler area longer than wide (Fig.