different between outer vs chorion

English

Pronunciation

• (General American) IPA^(key): /?a?t?/, [?a???]
• (Received Pronunciation) IPA^(key): /?a?t?/
• Rhymes: -a?t?(?)
• Homophone: outta (in some accents)

Etymology 1

From Middle English outre, outer, outter, uttre, from Old English ?tre, ?tera, ?terra (“outer”), equivalent to out +? -er. Compare German äußere (“outer”), Danish ydre (“outer”), Swedish yttre (“outer”), Icelandic ytri (“outer”).

Adjective

outer (comparative (rare) outermore, superlative outermost)

1. Outside; external.
2. Farther from the centre of the inside.

Antonyms

• inner

Translations

Noun

outer (plural outers)

1. An outer part.
2. (sports) An uncovered section of the seating at a stadium or sportsground.
3. (military, firearms) The 4th circle on a target, outside the inner and magpie.
4. A shot which strikes the outer of a target.
5. (retail) The smallest single unit sold by wholesalers to retailers, usually one retail display box.

   We ordered two cartons with twelve outers in each.

Translations

Derived terms

• outer space
• outerness

Etymology 2

out (verb) +? -er (“agent suffix”)

Noun

outer (plural outers)

1. Someone who admits to something publicly.
2. Someone who outs another.
   • 2002, Simon Gage, Lisa Richards, Howard Wilmot, Queer: The Ultimate User's Guide (page 88)

     From the early 90s, these were some of the fiercest debates raging in the gay press and in gay and straight bars worldwide as blabbermouths blabbed, sometimes just for the sheer hell of it, and gay celebrities ran for cover or bit the bullet and pipped the outers to the post.

3. One who puts out, ousts, or expels.
4. An ouster; dispossession.
5. (Britain, politics) One who supports leaving the European Union.

Synonyms

• (One who supports leaving the EU): Brexiter
• (One who outs others): See Thesaurus:informant

Antonyms

• (One who supports leaving the EU): inner

Anagrams

• Toure, outre, outré, rouet, route, utero-

German

Adjective

outer

1. inflection of out:
   1. strong/mixed nominative masculine singular
   2. strong genitive/dative feminine singular
   3. strong genitive plural

English

Etymology

From Late Latin chorion, from Ancient Greek ?????? (khórion, “membrane surrounding the fetus, afterbirth”).

Pronunciation

• IPA^(key): /?k??i?n/

Noun

chorion (plural chorions or choria)

1. (anatomy, biology) The protective and nutritive membrane in higher vertebrates that attaches the fetus to the uterus.
   • 2002, Rovert E. A. Stewart, Barbara E. Stewart, Female Reproductive Systems, entry in Encyclopedia of Marine Mammals, page 425,

     The allantois fuses with the chorion, forming a small round area, the allentochorion. This region becomes the placenta (Fig. 3).

   • 2006, Ona Marie Faye-Petersen, Debra S. Heller, Vijay V. Joshi, Handbook Of Placental Pathology, page 4,

     In this illustration, some license is taken, since the amnion is shown as still separate from the chorion; this is done to illustrate the process of apposition of the amniotic sac to the chorion and to accentuate the interposition of the yolk sac between the amnion and the chorion.
2. (biology, entomology) The outer case of an insect egg.
   • 2008, John L. Capinera, Eggs of Insects, entry in John L. Capinera (editor), Encyclopedia of Entomology, page 1290,

     In addition to facilitating gas exchange and water conservation, the chorion must, in some cases, allow uptake of water or liquid nutrients from the environment.

3. (botany) The outer membrane of seeds of plants.

Derived terms

Translations

French

Pronunciation

Noun

chorion m (plural chorions)

1. (anatomy) chorion (all senses)

Derived terms

• chorionique