What's the difference between couple and twosome?

Couple


Definition:

  • (a.) That which joins or links two things together; a bond or tie; a coupler.
  • (a.) Two of the same kind connected or considered together; a pair; a brace.
  • (a.) A male and female associated together; esp., a man and woman who are married or betrothed.
  • (a.) See Couple-close.
  • (a.) One of the pairs of plates of two metals which compose a voltaic battery; -- called a voltaic couple or galvanic couple.
  • (a.) Two rotations, movements, etc., which are equal in amount but opposite in direction, and acting along parallel lines or around parallel axes.
  • (v.) To link or tie, as one thing to another; to connect or fasten together; to join.
  • (v.) To join in wedlock; to marry.
  • (v. i.) To come together as male and female; to copulate.

Example Sentences:

  • (1) Spermine clearly activated 45Ca uptake by coupled mitochondria, but had no effect on Ca2+ egress from mitochondria previously loaded with 45Ca.
  • (2) After transfection in CH4C1 cells the two isoforms are coupled with adenylate cyclase while only the shortest isoform appears negatively coupled to phospholipase C. Functional D2 dopamine receptors are present in human prolactinomas.
  • (3) Ferrocene derivatives, in general, show a degree of versatility, coupling the electron-transfer reactions of many enzymes.
  • (4) Since intracellular Ca2+ seems to play a role in stimulus-secretion coupling and ion movements, several aspects of Ca2+ homeostasis have been investigated in CF.
  • (5) Couples in need of help will be "encouraged" to come to a private agreement.
  • (6) To get a better understanding of the different cell interactions during the immune response to a hapten-carrier complex, the effects of immunogenic or tolerogenic injections of various hapten-containing compounds on the responses induced by immunization with the same hapten coupled to protein carriers were studied.
  • (7) Such a science puts men in a couple of scientific laws and suppresses the moment of active doing (accepting or refusing) as a sufficient preassumption of reality.
  • (8) In contrast, strains carrying the substitutions Ile-30----Phe, Gly-33----Leu, Gly-58----Leu, and Lys-34----Val and the Lys-34----Val, Glu-37----Gln double substitution were found to possess a coupled phenotype similar to that of the wild type.
  • (9) Couples applying to in vitro fertilization were admitted into this project when the sperm concentration was greater than 20 million per mL and motility greater than 30 per cent.
  • (10) Large emission intensity fluctuations are observed from analyte species in inductively coupled plasmas.
  • (11) At the weekend the couple’s daughter, Holly Graham, 29, expressed frustration at the lack of information coming from the Foreign Office and the tour operator that her parents travelled with.
  • (12) These results coupled with previous studies support activation of benz[j]aceanthrylene via both 2 and cyclopenta ring epoxidation.
  • (13) Homologous insemination in 52 couples during a period of one year yields a conception rate of 38.5%.
  • (14) Following the hypothesis that infertile patients may present emotional conflicts with regard to the wish of having a child, psychodynamic interviews were carried out with 116 infertile couples concomitantly with their first consultation at the Sterility Department.
  • (15) The objective of this work was to determine the efficacy of an endoscopic approach coupled to a Nd:YAG laser fiber in performing arytenoidectomy.
  • (16) During the couple's 30-year marriage she had twice reported him to the police for grabbing her by the throat, before they divorced in 2005.
  • (17) The rate of indole production is increased about 4-fold when the aminoacrylate produced is converted to S-(hydroxyethyl)-L-cysteine by a coupled beta-replacement reaction with beta-mercaptoethanol.
  • (18) Single injections never produced more than one coupled pair in P20 or older rats.
  • (19) The extensive conversion of anti-BPDE to B[a]PT-10-sulfonate under conditions where sulfite enhances diolepoxide mutagenicity, when coupled with this enhancement of diolepoxide mutagenicity by B[a]PT-10-sulfonate in the reverse mutation assay, supports this novel B[a]P derivative as a mediator of the sulfite-dependent enhancement of B[a]P genotoxicity.
  • (20) Bobbing in warming waters, this ancient ice fossil will be gone in a couple of weeks.

Twosome


Definition:

Example Sentences:

  • (1) The Telegraph Twosome doesn't look quite so clever when the totals of those killed and seriously injured (KSI) are combined.
  • (2) Fusing hip-hop and horror movies with east coast hardcore, expect a lively and raucous affair from this New Jersey twosome.
  • (3) Before cult success with their dark, cinematic Channel 4 sketch show, this twosome (originally a threesome) were a popular live act on the Edinburgh fringe.
  • (4) Like the best twosomes, the Pajama Men have an almost telepathic relationship.
  • (5) The previous year, the Boosh (not yet Mighty) had played the Pleasance; in 2002, Mat (Gavin and Stacey) Horne starred as one half of short-lived twosome Mat and Mackinnon.
  • (6) The skit features the twosome as Bryce Shivers (Ronseal tan, lilac cravat) and Lisa Eversman (think Linda Barker at her most deranged), a pair of designers who think anything from teapots and tote bags to toast can be spruced up by daubing a silhouette of a bird on it.
  • (7) The advisers behind the birth of Mayism: dream team or terrible twosome?
  • (8) After its sadly inevitable demise in 1987, The Tube did make a comeback (of sorts) on Sky1 in 1999, with The Apocalypse Tube aping the format and the location of the original, but opting for the gruesome twosome of Chris Moyles and Donna Air as hosts.
  • (9) Any list of talented twosomes must include Mel and Sue, perhaps the most obvious inheritors of French and Saunders' mantle - they wrote for F&S early in their careers and, like them, share an offstage friendship that translates into an almost telepathic partnership in front of the camera.
  • (10) Over and against this view the author draws attention to the non-verbal structures in the twosome relationship between analysand and therapist.
  • (11) The whole film ends up feeling weighed down: though Man of Steel bounds from one epic setpiece to another, you're left with the nagging feeling that you just can't work out what the central twosome see in each other."