emarginate

English

Leaves of Ficus lyrata are unusual in that they are emarginate both at the tip (apically) and at the side (laterally).

Emarginate gills on a mushroom.

Eyes of many species of Cerambycidae are deeply emarginated, accommodating the attachment of the antennae.

Short-toed Eagle primary feather, showing markedly emarginate outline that creates slots in the flying surface for good control in low-speed flight.

The emarginate primary feathers of the short-toed Eagle are an adaptation for forming wing slots to support low-speed, low energy flight.

Emarginate crystal of topaz

Etymology

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

Adjective

emarginate (comparative more emarginate, superlative most emarginate)

1. (botany, of leaves) With the outline of the margin more or less concave in places, usually at the apex.
2. (botany, mycology) 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. (zoology, anatomy) Having a margin that has concave edges as though with parts removed or notched.
   • 1840 Georges Cuvier Cuvier's Animal kingdom (intranslation).

     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.

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

Derived terms

• emarginately
• subemarginate

 

Translations

botany: slightly indented at the tip

• Finnish: lanttopäinen
• Portuguese: emarginado m
• Russian: вы́емчатый (ru) (výjemčatyj)

Verb

emarginate (third-person singular simple present emarginates, present participle emarginating, simple past and past participle emarginated)

1. (transitive) To take away the margin of.
   • 1909, William John Sinclair, Mammalia of the Santa Cruz Beds: Typotheria. I., page 156:

     The radius resembles that of Nesodon in form, but is proportionately shorter and stouter; the distal end is especially massive and the scaphoid facet emarginates the dorsal border more deeply and in a more conspicuous way.

   • 1926, Julia Anna Gardner, The Molluscan Fauna of the Alum Bluff Group of Florida, page 27:

     a radial depression extends from the beak to the anterior ventral margin, which it slightly emarginates;

   • 1995, Robert A. Long, Philip A. Murry, Late Triassic (Carnian and Norian) Tetrapods from the Southwestern United States, page 180:

     At most, the groove emarginates only one-third the distal surface of the femur.

2. (intransitive) To lose the margin.
   • 1986, Michael J. Novacek, The Skull of Leptictid Insectivorans and the Higher-level Classification of Eutherian Mammals, page 26:

     The palate in Leptictis emarginates between M's.

   • 2004, M.S. Mani, Progress in Invertebrate Zoology, page 90:

     This membrane emarginates at intervals, forming pits.

   • 2007, Zoological Studies - Volume 46, Issues 4-6, page 754:

     The body shape is mostly circular in stage 1, then becomes elongated, and the hindbody emarginates at later stages.

3. To marginalize.
   • 1992, Robert C. Holub, Crossing Borders, page 44:

     Hegel ignores, represses, and emarginates these factors in order to found his logic on a dialectic conceived as the appropriation of the other, rather than a becoming other (Anderswerden).

   • 2000, John A. Kromkowski, Race and Ethnic Relations 2000-2001, page 151:

     Indeed, it has been argued that the theory of Anglo conformity is inherently discriminatory: it requires assimilation into a majoritarian culture and inferentially emarginates other legitimate forms of cultural expression .

   • 2004, Benjamin Tonna, Gospel for the Cities: A Socio-Theology of Urban Ministry, page 54:

     The economic process, then, converges in that space and emarginates whole categories of residents from zones rendered inaccessible to them because they are beyond their financial means.

   • 2011, George B. Palermo, The Faces of Violence, page 81:

     Their antisocial behavior may be a conscious or subconscious act against a system that they feel to be uncaring and oppressive, and that, in their opinion, emarginates them from the mainstream of society.

Italian

Etymology 1

Adjective

emarginate

1. feminine plural of emarginato

Participle

emarginate f pl

1. feminine plural of emarginato

Etymology 2

Noun

emarginate f

1. plural of emarginata

Etymology 3

Verb

emarginate

1. inflection of emarginare:
   1. second-person plural present indicative
   2. second-person plural imperative

Latin

Pronunciation

• (Classical Latin) IPA^(key): /eː.mar.ɡiˈnaː.te/, [eːmärɡɪˈnäːt̪ɛ]
• (modern Italianate Ecclesiastical) IPA^(key): /e.mar.d͡ʒiˈna.te/, [emärd͡ʒiˈnäːt̪e]

Verb

ēmargināte

1. second-person plural present active imperative of ēmarginō