different between pair vs nanodimer

English

Pronunciation

• (Received Pronunciation) enPR: pâr, IPA^(key): /p??(?)/
• (General American) enPR: pâr, IPA^(key): /p??/
• Rhymes: -??(?)
• Homophones: pare, pear

Etymology 1

From Middle English paire, from Old French paire, from Latin paria (“equals”), neuter plural of p?r.

Noun

pair (plural pairs or (archaic or dialectal) pair)

1. Two similar or identical things taken together; often followed by of.
   1. One of the constituent items that make up a pair.
2. Two people in a relationship, partnership or friendship.

3. Used with binary nouns (often in the plural to indicate multiple instances, since such nouns are plural only, except in some technical contexts)

4. A couple of working animals attached to work together, as by a yoke.

5. (card games) A poker hand that contains two cards of identical rank, which cannot also count as a better hand.
6. (cricket) A score of zero runs (a duck) in both innings of a two-innings match.

   Synonyms: pair of spectacles, spectacles

7. (baseball, informal) A double play, two outs recorded in one play.

8. (baseball, informal) A doubleheader, two games played on the same day between the same teams

9. (rowing) A boat for two sweep rowers.
10. (slang) A pair of breasts

11. (slang) A pair of testicles

12. (Australia, politics) The exclusion of one member of a parliamentary party from a vote, if a member of the other party is absent for important personal reasons.
13. Two members of opposite parties or opinion, as in a parliamentary body, who mutually agree not to vote on a given question, or on issues of a party nature during a specified time.

    There were two pairs on the final vote.

14. (archaic) A number of things resembling one another, or belonging together; a set.
15. (kinematics) In a mechanism, two elements, or bodies, which are so applied to each other as to mutually constrain relative motion; named in accordance with the motion it permits, as in turning pair, sliding pair, twisting pair.

Usage notes

The usual plural of pair is pairs. This is a recent innovation; the plural pair was formerly predominant and may be found in older texts like "A Key to Joyce's Arithmetic" (compare Middle English paire, plural paire). That is, a native English speaker, back in the early 19th century, would say 20 pair of shoes, as opposed to today's 20 pairs of shoes. In colloquial or dialectal speech, forms such as 20 pair may still be found; because of their relegation to informal speech, they are now sometimes proscribed.

Synonyms

• (two objects in a group): duo, dyad, couple, brace, twosome, duplet; see also Thesaurus:duo
• (pair of breasts): See also Thesaurus:breasts

Derived terms

Translations

Verb

pair (third-person singular simple present pairs, present participle pairing, simple past and past participle paired)

1. (transitive) To group into one or more sets of two.
   • If your computer has a built-in, non-Microsoft transceiver, you can pair the device directly to the computer by using your computer’s Bluetooth software configuration program but without using the Microsoft Bluetooth transceiver.

2. (transitive) To bring two (animals, notably dogs) together for mating.
3. (politics, slang) To engage (oneself) with another of opposite opinions not to vote on a particular question or class of questions.
4. (intransitive) To suit; to fit, as a counterpart.

Derived terms

Related terms

• parity

See also

• couple

Translations

Etymology 2

From Middle English pairen, peiren, shortened form of apeiren, empeiren, from Old French empeirier, empoirier, from Late Latin pei?r?.

Verb

pair (third-person singular simple present pairs, present participle pairing, simple past and past participle paired)

1. (obsolete, transitive) To impair, to make worse.
   • Template:RQ:Fairy
2. (obsolete, intransitive) To become worse, to deteriorate.

Anagrams

• PIRA, RIPA, Ripa, pari-, raip

Catalan

Pronunciation

• (Balearic, Central) IPA^(key): /p??i/
• (Valencian) IPA^(key): /pa?i?/
• Rhymes: -i(?)

Verb

pair (first-person singular present paeixo, past participle paït)

1. to digest

   Synonym: digerir

2. to handle, to cope with

Conjugation

Further reading

• “pair” in Diccionari de la llengua catalana, segona edició, Institut d’Estudis Catalans.
• “pair” in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana.
• “pair” in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua.
• “pair” in Diccionari català-valencià-balear, Antoni Maria Alcover and Francesc de Borja Moll, 1962.

French

Etymology

From Latin p?r (“equal”).

Pronunciation

• IPA^(key): /p??/

Adjective

pair (feminine singular paire, masculine plural pairs, feminine plural paires)

1. (of a number) even

   Antonym: impair

Derived terms

• aller de pair
• fonction paire
• nombre pair

Related terms

• parité

Noun

pair m (plural pairs)

1. A peer, high nobleman/vassal (as in peer of the realm)

Derived terms

Antonyms

• pari m

Further reading

• “pair” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

Anagrams

• pari, pria, ripa

Louisiana Creole French

Etymology

From French peur (“fear”), compare Haitian Creole pè.

Verb

pair

1. to be afraid

References

• Alcée Fortier, Louisiana Folktales

Middle English

Noun

pair

1. Alternative form of paire

Romanian

Etymology

From French pair.

Noun

pair m (plural pairi)

1. peer (noble)

Declension

Romansch

Alternative forms

• (Sursilvan, Sutsilvan) pér
• (Surmiran) peir

Etymology

From Latin pirum.

Noun

pair m (plural pairs)

1. (Rumantsch Grischun, Puter, Vallader) pear

Related terms

• paira
• pairer

Welsh

Pronunciation

• IPA^(key): /pai?r/

Etymology 1

From Proto-Celtic *k?aryos. Cognate with Irish coire.

Noun

pair m (plural peiri or peirau)

1. cauldron, boiler
2. furnace

Derived terms

• peiran
• peiriaid

Etymology 2

See the etymology of the main entry.

Verb

pair

1. (literary) third-person singular present indicative/future of peri

Mutation

References

• R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present) , “pair”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies

English

Etymology

nano- +? dimer

Noun

nanodimer (plural nanodimers)

1. (physics) Either of a pair of nanoparticles (usually metallic) that remain in close proximity