emarginate

adjective

1. With the outline of the margin more or less concave in places, usually at the apex.

2. Having roughly the same height or width for most of its length, becoming much shallower or narrower before reaching the attachment point.

   In this group of mushrooms, the attachment of the gills to the stipe is emarginate.

3. Having a margin that has concave edges as though with parts removed or notched.

   In the Haliotus, Lam, the shell is perforated along the side of the columella with a series of holes; and when the last hole remains incomplete, the shell has the appearance of beiing emarginate.

   1840 Georges Cuvier Cuvier's Animal kingdom (intranslation).

4. Of a crystal: having edges or corners of the primitive form beveled, crossed by a face.

Where it comes from

From Latin emarginare; e- (“out”) + marginare (“to furnish with a margin”), from margo (“margin”).

Adapted from the Wiktionary entry emarginate (CC BY-SA 4.0).

← emancipatrixembiggen →

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