What's the difference between old and unused?

Old


Definition:

  • (n.) Open country.
  • (superl.) Not young; advanced far in years or life; having lived till toward the end of the ordinary term of living; as, an old man; an old age; an old horse; an old tree.
  • (superl.) Not new or fresh; not recently made or produced; having existed for a long time; as, old wine; an old friendship.
  • (superl.) Formerly existing; ancient; not modern; preceding; original; as, an old law; an old custom; an old promise.
  • (superl.) Continued in life; advanced in the course of existence; having (a certain) length of existence; -- designating the age of a person or thing; as, an infant a few hours old; a cathedral centuries old.
  • (superl.) Long practiced; hence, skilled; experienced; cunning; as, an old offender; old in vice.
  • (superl.) Long cultivated; as, an old farm; old land, as opposed to new land, that is, to land lately cleared.
  • (superl.) Worn out; weakened or exhausted by use; past usefulness; as, old shoes; old clothes.
  • (superl.) More than enough; abundant.
  • (superl.) Aged; antiquated; hence, wanting in the mental vigor or other qualities belonging to youth; -- used disparagingly as a term of reproach.
  • (superl.) Old-fashioned; wonted; customary; as of old; as, the good old times; hence, colloquially, gay; jolly.
  • (superl.) Used colloquially as a term of cordiality and familiarity.

Example Sentences:

  • (1) A 2.5-month-old child with cyanotic heart disease who required long-term PGE1 infusions; developed widespread periosteal reactions during the course of therapy.
  • (2) Yet the Tory promise of fiscal rectitude prevailed in England Alexander had been in charge of Labour’s election strategy, but he could not strategise a victory over a 20-year-old Scottish nationalist who has not yet taken her finals.
  • (3) A 61-year-old man experienced four bouts of pancreatitis in 1 year.
  • (4) A total of 104 evaluable patients 20-90 years old treated by direct vision internal urethrotomy a.m. Sachse for urethral strictures reported retrospectively via a questionnaire their sexual potency before and after internal urethrotomy.
  • (5) A 66-year-old woman with acute idiopathic polyneuritis (Landry-Guillain-Barré [LGB] syndrome) had normal extraocular movements, but her pupils did not react to light or accommodation.
  • (6) Scatchard analyses of binding data obtained with synaptosomal preparations from 17-day-old embryos revealed two T3 binding sites.
  • (7) A remarkable deterioration of prognosis with increasing age rises the question whether treatment with cytotoxic drugs should be tried in patients more than 60 years old.
  • (8) A specimen of a very early ovum, 4 to 6 days old, shown in the luminal form of imbedding before any hemorrhage has taken place, confirms that the luminal form of imbedding does occur.
  • (9) Data collection at the old hospital for comparison, however, was not always reliable.
  • (10) A leg ulcer in a 52-year-old renal transplant patient yielded foamy histiocytes containing acid-fast bacilli subsequently identified as a Runyon group III Mycobacterium.
  • (11) The 36-year-old teacher at an inner-city London primary school earns £40,000 a year and contributes £216 a month to her pension.
  • (12) Eight-week-old virgin untreated female mice were induced to ovulate using equine chorionic gonadotropin (eCG) and human chorionic gonadotropin (hCG), and were then caged with males overnight.
  • (13) The authors report an ocular luxation of a four-year-old girl after a bicycle accident.
  • (14) Peak incidence is found among 40 to 49-year-old and 60 to 64-year-old women.
  • (15) The capillary-adipocyte distances were shorter and the vascularization density was higher in old rats.
  • (16) Brilliant, old-fashioned speech, from the days before teleprompters became all-dominant.
  • (17) Though the 54-year-old designer made brief returns to the limelight after his fall from grace, designing a one-off collection for Oscar de la Renta last year , his appointment at Margiela marks a more permanent comeback.
  • (18) He also deals with the incidence, conservative and surgical treatment of osteo-arthrosis in old age and with the possibilities of its prevention.
  • (19) Sterile, pruritic papules and papulopustules that formed annular rings developed on the back of a 58-year-old woman.
  • (20) The first patient, an 82-year-old woman, developed a WPW syndrome suggesting posterior right ventricular preexcitation, a pattern which persisted for four months until her death.

Unused


Definition:

  • (a.) Not used; as, an unused book; an unused apartment.
  • (a.) Not habituated; unaccustomed.

Example Sentences:

  • (1) The authors present a quite unused technique that helps to simplify the cavity preparation in Operative Dentistry.
  • (2) After elution of the complex from the beads a new cycle of capture, washing and release of the target-capture-reporter-probe complex is initiated by the additions of unused (dT)-tailed beads.
  • (3) A total of 20 deep-frying fat samples and 2 unused control fat samples was tested.
  • (4) Filtration of spent medium, adjustment of pH, addition of urea, and reinoculation permitted growth at the same rate and to the same titer as that observed in unused medium.
  • (5) We haven’t ascertained how much of the forests it has taken over, but a significant portion may in reality be unpalatable weeds and effectively unusable from an elephant’s perspective.
  • (6) Graham Greene’s American agent, Alden Pyle, has an “unused face” and a “wide campus gaze”.
  • (7) Each of these devices had around five large nails sticking through a piece of wood and rendered the police vehicles unusable on what is traditionally one of the busiest nights of the year.
  • (8) All patients showed clinical signs of infection (loss of red reflex, diminished visual acuity, and intraocular lens coagulum) and P. aeruginosa was isolated from vitreous aspirates and unused lenses of the same lot.
  • (9) For the Salvation Army and the careworn guys outside the unused Saint Martin station, however, there are much more important priorities.
  • (10) (ii) No messages contain internal, unused polyadenylation signals.
  • (11) The procedure is offered as a satisfactory solution to the problem of transferring free flaps in cases where recipient site vessels are absent or unusable.
  • (12) Five unused containers of ACS were obtained as controls.
  • (13) Therapy after the reservoir was unusable, particularly with arterial obstruction by catheter, was restricted because arterial infusion therapy was impossible.
  • (14) Furthermore, when this promoter region was removed, Tn5 was able to transpose into previously unused upstream target sequences.
  • (15) The protest, one of the biggest liberal opposition demonstrations in years, is certain to worry a state that looks down on opposition and is long unused to a politically conscious public.
  • (16) Ill-equipped, ill-trained and unused to the tough conditions, these “Afghan Arabs”, as they were known, were seen more as a nuisance than an aid by the local men who constituted 95% or more of the fighters.
  • (17) The speed of anastomosis is at least as rapid as the posterior wall technique on which it is based, and it has the advantage of having fewer unused penetrations of the vessel wall and better eversion of the edges.
  • (18) Peritoneal macrophages and polymorphonuclear leucocytes were incubated in unused peritoneal dialysis fluid.
  • (19) If it can only launch its weapons on receiving orders from the top, they risk being rendered unusable by a surprise “decapitation” strike on the Chinese leadership.
  • (20) Seromuscular layers were normal at both ends of the lesion; there was some flattening of villi at the proximal, dilated end, and hyperplasia with apparently lengthened, branched villi at the distal, unused one.

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