simplex

See also: Simplex

English

Etymology

From Latin simplex.

Adjective

simplex (not comparable)

1. Single, simple; not complex.
2. (telecommunications) unidirectional

Antonyms

• (simple): complex
• (unidirectional): duplex (bidirectional)

Coordinate terms

(unidirectional):

• half-duplex
• semiduplex
• full duplex

Translations

unidirectional

• Catalan: símplex
• (deprecated template usage) {{trans-mid}}
• Finnish: yksisuuntainen (fi)

Noun

simplex (plural simplexes or simplices)

1. (geometry, algebraic topology) An analogue in any dimension of the triangle or tetrahedron: the convex hull of n+1 points in n-dimensional space.
2. (linguistics) A simple word, one without affixes.
   • 1978, Helga Harries-Delisle, Contrastive Emphasis and Cleft Sentences, in Universals of Human Language, edited by Joseph H. Greenberg, →ISBN, page 460:

     The only indication that 139. is a simplex is the sentence intonation and the absence of a break between the verb and the subject.

Derived terms

• simplicial

Translations

an analogue in any dimension of the triangle or tetrahedron

• Chinese:

  Mandarin: 单纯形 (dānchún xíng)

• Finnish: simpleksi
• French: simplexe (fr) m
• German: Simplex (de) n
• (deprecated template usage) {{trans-mid}}
• Icelandic: hyrna (is) f
• Irish: aonphléacs m
• Italian: simplesso (it) m
• Russian: си́мплекс (ru) m (símpleks)
• Spanish: simplex (es) m

a simple word

• Finnish: perussana
• German: Simplex (de) n
• (deprecated template usage) {{trans-mid}}
• Swedish: simplex n

See also

• complex

---

Latin

Latin multipliers

	simplex	duplex
cardinal number : ūnus ordinal number : prīmus adverbial number : semel distributive number : singulī

Etymology

(deprecated template usage)

From the same root as semel + plicō (“I fold”).

Pronunciation

• (Classical Latin) IPA^(key): /ˈsim.pleks/, [ˈs̠ɪmpɫ̪ɛks̠]
• (modern Italianate Ecclesiastical) IPA^(key): /ˈsim.pleks/, [ˈsimpleks]

Adjective

simplex (genitive simplicis, comparative simplicior, superlative simplicissimus, adverb simpliciter); third-declension one-termination adjective

1. single
2. simple, plain, uncompounded
3. pure, unmixed
4. frank, open, without guile

Declension

Third-declension one-termination adjective.

Number	Singular			Plural
Case / Gender	Masc./Fem.	Neuter		Masc./Fem.	Neuter
Nominative	simplex			simplicēs	simplicia
Genitive	simplicis			simplicium
Dative	simplicī			simplicibus
Accusative	simplicem	simplex		simplicēs	simplicia
Ablative	simplicī			simplicibus
Vocative	simplex			simplicēs	simplicia

Derived terms

• simplicābilis
• simplicitās
• simpliciter

Related terms

• duplex
• simplus
• triplex
• quadruplex

Descendants

• Old Leonese:
  • Mirandese: simples
• Old Galician-Portuguese: simplez
  • Portuguese: simples, símplice
• → Asturian: simple
• → Catalan: simple
• → Dutch: simpel
• → English: simplex
• → Galician: simple
• → German: simpel
  • → Norwegian: simpel
• → Italian: semplice
• → Middle Low German: simpel
  • → Old Swedish: simpel
    • Swedish: simpel
      • → Finnish: simppeli
• → Old French: simple, sinple
  • French: simple
    • → Romanian: simplu
  • → Middle English: symple, simple
    • Scots: semple
    • English: simple
• → Romansch: simpel, sempel
• → Spanish: simple
  • > Chavacano: simple (inherited)

References

• “simplex”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “simplex”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• simplex in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• simplex in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.