What's the difference between double and doubt?

Double


Definition:

  • (a.) Twofold; multiplied by two; increased by its equivalent; made twice as large or as much, etc.
  • (a.) Being in pairs; presenting two of a kind, or two in a set together; coupled.
  • (a.) Divided into two; acting two parts, one openly and the other secretly; equivocal; deceitful; insincere.
  • (a.) Having the petals in a flower considerably increased beyond the natural number, usually as the result of cultivation and the expense of the stamens, or stamens and pistils. The white water lily and some other plants have their blossoms naturally double.
  • (adv.) Twice; doubly.
  • (a.) To increase by adding an equal number, quantity, length, value, or the like; multiply by two; to double a sum of money; to double a number, or length.
  • (a.) To make of two thicknesses or folds by turning or bending together in the middle; to fold one part upon another part of; as, to double the leaf of a book, and the like; to clinch, as the fist; -- often followed by up; as, to double up a sheet of paper or cloth.
  • (a.) To be the double of; to exceed by twofold; to contain or be worth twice as much as.
  • (a.) To pass around or by; to march or sail round, so as to reverse the direction of motion.
  • (a.) To unite, as ranks or files, so as to form one from each two.
  • (v. i.) To be increased to twice the sum, number, quantity, length, or value; to increase or grow to twice as much.
  • (v. i.) To return upon one's track; to turn and go back over the same ground, or in an opposite direction.
  • (v. i.) To play tricks; to use sleights; to play false.
  • (v. i.) To set up a word or words a second time by mistake; to make a doublet.
  • (n.) Twice as much; twice the number, sum, quantity, length, value, and the like.
  • (n.) Among compositors, a doublet (see Doublet, 2.); among pressmen, a sheet that is twice pulled, and blurred.
  • (n.) That which is doubled over or together; a doubling; a plait; a fold.
  • (n.) A turn or circuit in running to escape pursues; hence, a trick; a shift; an artifice.
  • (n.) Something precisely equal or counterpart to another; a counterpart. Hence, a wraith.
  • (n.) A player or singer who prepares to take the part of another player in his absence; a substitute.
  • (n.) Double beer; strong beer.
  • (n.) A feast in which the antiphon is doubled, hat is, said twice, before and after the Psalms, instead of only half being said, as in simple feasts.
  • (n.) A game between two pairs of players; as, a first prize for doubles.
  • (n.) An old term for a variation, as in Bach's Suites.

Example Sentences:

  • (1) An unsaturated fatty acid auxotroph of Escherichia coli was grown with a series of cis-octadecenoate isomers in which the location of the double bond varied from positions 3 to 17.
  • (2) Theoretical computations are performed of the intercalative binding of the neocarzinostatin chromophore (NCS) with the double-stranded oligonucleotides d(CGCG)2, d(GCGC)2, d(TATA)2 and d(ATAT)2.
  • (3) The use of glucagon in double-contrast studies of the colon has been recommended for various reasons, one of which is to facilitate reflux of barium into the terminal ileum.
  • (4) Clonazepam was added to the treatment of patients with poorly controlled epilepsy in a double-blind trial and an open trial.
  • (5) We report the results of a double-blind, placebo-controlled trial of acitretin (Soriatane) in 15 patients with moderate to severe psoriasis.
  • (6) To determine the accuracy of double-contrast arthrography in complete rotator cuff tears, we studied 805 patients thought to have a complete rotator cuff tear who had undergone double-contrast shoulder arthrography (DCSA) between 1978 and 1983.
  • (7) For the detection of this antigen, a double antibody sandwich enzyme-linked immunosorbent assay (ELISA) was employed.
  • (8) In a double-blind, crossover-designed study, 9 male subjects (age range: 18-25 years) received 25 mg orally, four times per day of either S or an identically-appearing placebo (P) 2 d prior to and during HA.
  • (9) Aberrant forms (elongated and twisted) in the vacuole and double virions in the plasma membrane were observed as early as 65 h after infection.
  • (10) Such an approach to investigations into subclinical mastitis is not feasible by means of either single- or double-parameter techniques.
  • (11) In a randomized double-blind study, 40 patients with coronary heart disease received intravenously either 0.025 mg nitroglycerin or placebo.
  • (12) In the present study, 125 oesophageal biopsies obtained under direct vision at endoscopy from 22 patients with Barrett's oesophagus were systematically studied using fluorescence and peroxidase antiperoxidase single and double-staining immunocytochemical methods employing highly specific antibodies to localize the following peptide-containing cell types in Barrett's mucosa: gastrin, somatostatin, gastric inhibitory polypeptide, motilin, neurotensin and pancreatic glucagon.
  • (13) The M 13 specific DNA present in minicells isolated several hours after infection consists of single stranded viral DNA and double stranded replicative forms in nearly equal amounts.
  • (14) Eighty micrograms of the topically active parasympatholytic drug ipratropium were applied intranasally four times daily in 20 adults with perennial rhinitis and severe watery rhinorrhoea in a double-blind controlled cross-over trial.
  • (15) calcium tung-state, rare-earths compounds, double halogenides.
  • (16) The effect of ipratropium bromide administered at two dosage levels, 40 and 80 mug, isoproterenol, 150 mug, and placebo using a metered dose inhaler was evaluated in ten adult patients with asthma in a double-blind, crossover study.
  • (17) PNS at 7 Hz approximately doubled mesenteric venous plasma levels of PGE2 in both 16-week-old SHR and WKY, but PNS did not increase levels of 6-keto-PGF1 alpha in either strain.
  • (18) 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.
  • (19) The epidemiological effectiveness of dipyridamol, an interferon-inducing agent used for the prevention of influenza and viral acute respiratory diseases, was tested in 4 epidemiological trials, 3 of them carried out as double blind trials.
  • (20) Neutral sucrose density sedimentation patterns indicate that neutron-induced double strand-breaks sometimes occur in clusters of more than 100 in the same phage and that the effeciency with which double strand-breaks form is about 50 times that of gamma-induced double strand-breaks.

Doubt


Definition:

  • (v. i.) To waver in opinion or judgment; to be in uncertainty as to belief respecting anything; to hesitate in belief; to be undecided as to the truth of the negative or the affirmative proposition; to b e undetermined.
  • (v. i.) To suspect; to fear; to be apprehensive.
  • (v. t.) To question or hold questionable; to withhold assent to; to hesitate to believe, or to be inclined not to believe; to withhold confidence from; to distrust; as, I have heard the story, but I doubt the truth of it.
  • (v. t.) To suspect; to fear; to be apprehensive of.
  • (v. t.) To fill with fear; to affright.
  • (v. i.) A fluctuation of mind arising from defect of knowledge or evidence; uncertainty of judgment or mind; unsettled state of opinion concerning the reality of an event, or the truth of an assertion, etc.; hesitation.
  • (v. i.) Uncertainty of condition.
  • (v. i.) Suspicion; fear; apprehension; dread.
  • (v. i.) Difficulty expressed or urged for solution; point unsettled; objection.

Example Sentences:

  • (1) In a further study 1082 patients with a negative or doubtful result of the physical examination were investigated using ultrasound.
  • (2) p-Chlorophenylalanine (PCPA) also reduced the response to levodopa but the usefulness of PCPA as an inhibitor of 5HT synthesis in these experiments in doubtful since it also inhibited the hypoglycaemic effects of 5HTP and i.c.v.
  • (3) There is no doubt that new techniques in molecular biology will continue to evolve so that the goal of gene therapy for many disorders may be possible in the future.
  • (4) I never had any doubt that the vast majority of people engaged in "business" are not the exploiters but the exploited.
  • (5) There is no doubt that psychological, reactive and environmental factors do play a certain role too.
  • (6) Paul Doyle Kick-off Sunday midday Venue St Mary’s Stadium Last season Southampton 2 Leicester City 2 Live Sky Sports 1 Referee Michael Oliver This season G 18, Y 60, R 1, 3.44 cards per game Odds H 5-6 A 4-1 D 5-2 Southampton Subs from Taylor, Martina, Stephens, Davis, Rodriguez, Sims, Ward-Prowse Doubtful Bertrand, Davis, Van Dijk (all match fitness) Injured Boufal (knee, Jan), Hesketh (ankle, Feb), Targett (hamstring, Feb), Austin (shoulder, Mar), Pied (knee, Jun), Gardos (knee, unknown) Suspended None Form DWLLLL Discipline Y37 R2 Leading scorer Austin 6 Leicester City Subs from Zieler, Hamer, Wasilewski, Gray, Fuchs, James, Okazaki, Hernández, Kapustka, King Doubtful None Injured None Suspended None Unavailable Amartey, Mahrez, Slimani (Africa Cup of Nations) Form LDLWDL Discipline Y44 R1 Leading scorers Slimani, Vardy 5
  • (7) Without that, and without undertaking big changes, the service's future may fall into doubt, he says.
  • (8) This is welcome news but it needs to be borne in mind that the manufacturing sector is still far from racing ahead and serious doubts remain about the strength of demand for manufactured goods over the medium term, particularly once stimulative measures start being withdrawn.
  • (9) Doubts about Hinkley Point have deepened after a detailed report by HSBC’s energy analysts described eight key challenges to the project, which will be built by the state-backed French firm EDF and be part-financed by investment from China .
  • (10) The mean age of gravidae with doubtful smears is about 6 years beyond the mean age of gravidae with positive smears.
  • (11) I have no doubt that both the Conservative and Labour parties will maintain throughout the course of the election campaign their determination to build four submarines and 160 warheads,” he says.
  • (12) There is little doubt that when it opens next Thursday, One New Change will be jam-packed with City workers and tourists.
  • (13) We feel that they, as presented, leave serious doubt as to the validity of their conclusions.
  • (14) Contact guidance has been suggested to direct NC cells ventrally in the trunk, but this has been subject to doubt (see Newgreen and Erickson, 1986, Int.
  • (15) Although “there are serious questions and doubts in our minds over the government’s seven-day working agenda … it isn’t clear what this strike action is for and what the position of the BMA is now,” he told the Guardian.
  • (16) There is no doubt that people were killed quite deliberately by police officers.
  • (17) Other critics, even if they were unsure of the lasting relevance, were willing to give Tillmans the benefit of the doubt.
  • (18) We interpret this exaggerated positive attitude as an attempt to overcome inner fears, doubts and ambivalences.
  • (19) Another forward, Manchester United's Danny Welbeck, is a major doubt for the game with a knee complaint.
  • (20) Coghlin said: “There is no doubt that, as a consequence of the personalities involved, these proceedings attracted a very considerable degree of media publicity both before and, to a certain degree, subsequent to the trial.