constraint

English

WOTD – 10 January 2016

Etymology

From Middle English constreynt, constreynte, from Old French constreinte, past participle of constreindre (“to constrain”), from Latin cōnstringō (corresponding to the past participle cōnstrictus).

Pronunciation

• IPA^(key): /kənˈstɹeɪnt/

• Audio (AU)

  (file)

• Rhymes: -eɪnt

Noun

constraint (countable and uncountable, plural constraints)

1. Something that constrains; a restriction.

   Coordinate term: problem

   An engineer must recognize the difference between a constraint (to work within) and a problem (to be eliminated via resolution).

2. An irresistible force or compulsion.

   (Can we add an example for this sense?)

3. The repression of one's feelings.

   (Can we add an example for this sense?)

4. (mathematics) A condition that a solution to an optimization problem must satisfy.
5. (databases) A linkage or other restriction that maintains database integrity.

Derived terms

• budget constraint
• constraint cluster
• constraint logic programming
• constraint satisfaction
• constraintive
• holonomic constraint
• integrity constraint
• liquidity constraint
• markedness constraint
• multiconstraint
• subconstraint
• theory of constraints

Related terms

• constrain
• constrict
• restraint

Translations

something that constrains

• Albanian: fre (sq)
• Arabic: متطلب‎
• Bulgarian: принуда (bg) f (prinuda)
• Catalan: restricció f
• Chinese:

  Mandarin: 約束／约束 (zh) (yuēshù)

• Dutch: beperking (nl) f, inperking (nl) f, begrenzing (nl) f
• Finnish: rajoitus (fi), raja (fi), rajoite (fi)
• French: contrainte (fr) f
• Galician: restrición (gl) f
• German: Einschränkung (de) f, Beschränkung (de) f, Restriktion (de) f, Zwang (de) m, Hemmnis (de) n, Auflage (de) f, Bedingung (de) f, Nötigung (de) f, Befangenheit (de) f, Verlegenheit (de) f, Geziertheit f, Zurückhaltung (de) f, Randbedingung (de) f, Nebenbedingung f
• Greek: περιορισμός (el) m (periorismós)
• Icelandic: ófrelsi n
• Italian: vincolo (it) m, costrizione (it) f
• Japanese: 束縛 (ja) (そくばく, sokubaku)
• Malay: kekangan
• Norwegian:

  Bokmål: begrensning (no) m or f

• Ottoman Turkish: باصقی‎ (baskı)
• Polish: ograniczenie (pl) n, przymus (pl) m
• Portuguese: coação (pt) f, compulsão (pt) f
• Romanian: constrângere (ro) f, obligație (ro) f
• Russian: ограниче́ние (ru) n (ograničénije)
• Scottish Gaelic: èiginn f
• Serbo-Croatian:

  Cyrillic: ograničénje n, усиљеност f

  Roman: ograničénje (sh) n, usiljenost (sh) f

• Spanish: constreñimiento m, limitación (es) f, restricción (es) f
• Turkish: kısıtlama (tr), sınırlama (tr), tahdit (tr)

mathematics: condition to a solution

• Dutch: beperking (nl) f, randvoorwaarde (nl) f
• Finnish: ehto (fi)
• French: contrainte (fr) f
• German: Zwangsbedingung f
• Italian: vincolo (it) m
• Norwegian:

  Bokmål: beskrankning m or f

• Polish: ograniczenie (pl) n, warunek (pl) m
• Portuguese: restrição (pt) f
• Russian: ограниче́ние (ru) n (ograničénije)
• Spanish: restricción (es) f

Further reading

• constraint on Wikipedia.Wikipedia

Anagrams

• in contrast