crenulate
/ˈkrɛnjʊleɪt
/adjective technical
(Especially of a leaf, shell, or shoreline) having a finely scalloped or notched outline or edge. Compare with crenate.Growth lines are very finely crenulate in a narrow zone approximately two-thirds the distance from the umbilicus to the periphery, and the shell here has a very weak shoulder....
- The maximum width of this specimen occurs at the mid-length, and the anterolateral margin is crenulate.
Derivatives
crenulated
- The outer lip is crenulated on its edge, and smooth or weakly denticulate on the inner side.
- The anterior half of the tooth is less crenulated than the posterior half.
- The edge of the outer lip is crenulated, and usually has a weakly convex profile when viewed from the apertural side of the shell.
crenulation
- This elevated structure extends ventrally in order to produce the marginal crenulations in the ventral part of the shell.
- The crenulations are either dorsally open or represent filled structures.
- The enamel in the synclines shows crenulations.
Origin
Late 18th century: from modern Latin crenulatus, from crenula, diminutive of crena 'notch'.