What's the difference between adult and old?

Adult


Definition:

  • (a.) Having arrived at maturity, or to full size and strength; matured; as, an adult person or plant; an adult ape; an adult age.
  • (n.) A person, animal, or plant grown to full size and strength; one who has reached maturity.

Example Sentences:

  • (1) A spindle cell sarcoma appeared 20 months after implantation of a pellet of 3-methylcholanthrene in the denervated foreleg of an adult frog, Rana pipiens.
  • (2) The possibility that the ventral nerve photoreceptor cells serve a neurosecretory function in the adult Limulus is discussed.
  • (3) On the other hand, the LAP level, identical in preterms and SDB, is lower than in full-term infants but higher than in adults.
  • (4) The telencephalic proliferative response has been studied in adult newts after lesion on the central nervous system.
  • (5) However, four of ten young adult outer arm (relatively sun-exposed) and one of ten young adult inner arm (relatively sun-protected) fibroblasts lines increased their saturation density in response to retinoic acid.
  • (6) The anticonvulsant properties of the endogenous excitatory amino acid antagonist, kynurenic acid (KYA), were studied in prepubescent and adult rats using the amygdaloid kindling model of epilepsy.
  • (7) The purpose of the present study was to report on remaining teeth and periodontal conditions in a population of 200 adolescent and adult Vietnamese refugees.
  • (8) At the highest dose of chloroquine tested (500 microM), a slightly greater increase in insulin binding and a decrease in insulin degradation were observed in fetal cells as compared with adult cells.
  • (9) The problem of treatment oneside malocclusions of adult patients needs to concern of anchorange.
  • (10) The distribution of gelsolin, a calcium-dependent actin-severing and capping protein, in the retina of the developing and adult rabbit was studied.
  • (11) We have measured the antibody specificities to the two polysaccharides in sera from asymptomatic group C meningococcal carriers and vaccinated adults by a new enzyme-linked immunosorbent assay (ELISA) procedure using methylated human serum albumin for coating the group C polysaccharide onto microtiter plates.
  • (12) Descriptive features of the syndrome in children, adults and adolescents are given based on the respective work of Pine, Masterson and Kernberg.
  • (13) The main clinical symptom was pain, usually sciatica, while neurological symptoms were less common than they are in adults.
  • (14) Intestinal glands are not observed until 8.5cm, and are shallow in depth even in the adult.
  • (15) An anatomic study of the peroneal artery and vein and their branches was carried out on 80 adult cadaver legs.
  • (16) It ignores the reduction in the wider, non-NHS cost of adult mental illness such as benefit payments and forgone tax, calculated by the LSE report as £28bn a year.
  • (17) The authors followed up the occurrence of inflammation-mediated osteopenia (IMO) in young and adult rats weighing 50 g and 150 g, respectively.
  • (18) Previous studies in this laboratory with particulate Mn3O4 have shown that preweanling rats have substantially higher tissue Mn concentrations than similarly treated adults, indicating possible differences in uptake or elimination or both.
  • (19) It has also been reported in a severe form with fever and systemic symptoms both in children and adults.
  • (20) These results do not support the view that in the rat pheromones from adult males enhance puberty in females, contrary to what is known to happen in the mouse.

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.