What's the difference between colorless and drab?

Colorless


Definition:

  • (a.) Without color; not distinguished by any hue; transparent; as, colorless water.
  • (a.) Free from any manifestation of partial or peculiar sentiment or feeling; not disclosing likes, dislikes, prejudice, etc.; as, colorless music; a colorless style; definitions should be colorless.

Example Sentences:

  • (1) The pI 5.0 component, designated F-5.0, was faint yellow, with a broad absorption in the range of 400-450 nm, while the pI 7.5 component, designated F-7.5, was colorless and did not absorb in that range.
  • (2) L-form colonies appeared colorless, and chemical analysis demonstrated that, if the L-form produces pigment at all, which was not demonstrated, it could not have been more than 3.6% of that produced by the bacterial form.
  • (3) We have purified this colorless compound and identified it as 5,6-dihydroxyindole-2-carboxylic acid.
  • (4) Aldol condensation and dehydration of 2 mol of the saturated aldehydes initially gave the alpha, beta-unsaturated aldehydes, which in turn reacted with TBA to form the colorless adducts, pyranopyrimidine derivatives.
  • (5) Ten days after the insertion, samples of clear and colorless CSF up to 1 ml could be withdrawn.
  • (6) The activities of phosphofructokinase (PFK), fructose diphosphatase (FDP), nicotinamide adenine dinucleotide (NAD) and NAD phosphate (NADP)-linked isocitrate dehydrogenases (IDHNAD, IDHNADP), two NAD-linked glutamate dehydrogenases (GDH1, GDH2), and isocitrate lyase were studied during the development of the two phenotypes, ordinary colorless and resistant sporangia (OC and RS plants), of water mold Blastocladiella emersonii in synchronized liquid cultures.
  • (7) AchE synthesized in culture cleaved acetylthiocholine to thiocholine, which stochiometrically reduced the colorless indicator DTNB to a highly colored product.
  • (8) Mutants or colonial variants have been isolated that fail to absorb the dye and produce colorless colonies.
  • (9) The pH optimum for the reaction was between 4 and 7, and the temperature optimum was between 30 and 50 degrees C. The compound was purified by ion-exchange chromatography, isolated as colorless needles, and identified as 6-hydroxypyridoxine from UV, PMR, IR and MS spectral data.
  • (10) Infected cell monolayers stained intensely while uninfected monolayers remained colorless.
  • (11) Colorless and other subtle manifestations of peritoneal disease can be seen more easily by painting the peritoneal surface with bloody peritoneal fluid.
  • (12) The antibiotic, obtained as a colorless amorphous powder having the molecular formula C48H77N7O16, is an antifungal antibiotic active against yeasts and filamentous fungi.
  • (13) It was purified by use of column chromatography on Sepabeads SP206, Amberlite IRC-50, MCI gel CHP-20P and Sephadex G-10 and then isolated as colorless needles.
  • (14) The final product was readily soluble, clear and almost colorless upon reconstitution.
  • (15) The nearly colorless final macrocyclic product was characterized by TLC, IR, NMR, and mass spectrometry.
  • (16) The cone type with the colorless fluorescent oil droplet (FC cone) has an oil droplet size intermediate between those contained in the green single cones and the cone with the clear colorless oil droplet (CC cone); it typically has a short (15 microns long) oblique axon and it forms approximately 13% of the cones in the retina.
  • (17) It was purified by column chromatography and centrifugal partition chromatography (CPC) and then was isolated as a colorless powder.
  • (18) Elasnin is a neutral, colorless, and viscous oil (ND17 = 1.4983, [alpha]18D -0.9 degrees, lambdaEtOHmax 291 nm (epsilon, 7,760) having a molecular formula of C24H40O4 (MW 392) as shown by its elemental analysis and mass spectrum.
  • (19) Lenses exposed to 308-nm ultraviolet (UV) radiation for 10-30 minutes showed significant yellow-brown pigmentation and colorless opacification compared with dark controls.
  • (20) There is a new radiochromic film, a highly uniform, thin (100-microns) detector whose sensitive layer (6 microns thick) changes from colorless to blue by dye polymerization without processing, upon exposure to ionizing radiation.

Drab


Definition:

  • (n.) A low, sluttish woman.
  • (n.) A lewd wench; a strumpet.
  • (n.) A wooden box, used in salt works for holding the salt when taken out of the boiling pans.
  • (v. i.) To associate with strumpets; to wench.
  • (n.) A kind of thick woolen cloth of a dun, or dull brownish yellow, or dull gray, color; -- called also drabcloth.
  • (n.) A dull brownish yellow or dull gray color.
  • (a.) Of a color between gray and brown.
  • (n.) A drab color.

Example Sentences:

  • (1) Mendl's candy colours contrast sharply with the gothic garb of our hero's enemies and the greys of the prison uniforms – as well as scenes showing the hotel later, in the 1960s, its opulence lost beneath a drab communist refurb.
  • (2) And it will almost certainly continue arriving in dribs and drabs, based on the Sea Dragon's observations.
  • (3) While Klimt was creating modern art there, Hitler was going to the opera to hear Wagner (conducted by the modernist Gustav Mahler), and soon eking a living painting drab topographic scenes.
  • (4) The most visible sign of this is the arrival each day, when parliament is in session in its lavish, marble-decked halls in the new capital of Naypyidaw , of scores of officers, natty in their freshly pressed olive drab.
  • (5) Here was a woman, "dismal, drab, embarrassing," sodden with "self-pity," who in the Golden Notebook had single-handedly set back the women's movement "a good long way".
  • (6) Inside, photographs of these often drab exteriors are contrasted with the vibrantly colourful images of the interiors.
  • (7) It is incredible the bombers did not have tickets but, regardless, they would not have got through the body searches at the gates.” Pavlovic and his wife, Ljiljana, had been selling scarves outside the arena prior to kick-off but, despite having tickets for the match, ambled down towards McDonald’s where they had parked in Impasse de la Cokerie, a drab cul de sac between characterless office blocks, to meet his cousin and her husband.
  • (8) Second half: Barcelona's players have been ready to start the second half for several minutes, while Inter's are emerging from the tunnel in dribs and drabs.
  • (9) A fter five years in the job of chief inspector of schools, Sir Michael Wilshaw will deliver his final annual general report as head of Ofsted on Thursday morning – possibly to his own regret and almost certainly to the regret of education journalists, for whom life can sometimes be a little drab.
  • (10) Photograph: John Brunton Situated smack on the "strada del vino", it is easy to drive straight past this drab-looking tratttoria.
  • (11) The 6.6-kilobase DNA fragment expressed five polypeptides with molecular masses of 15.5, 5, 18, 90, and 32 kilodaltons encoded by the draA, draB, draC, draD, and draE genes, respectively.
  • (12) On Monday, Gao began the latest phase of her crusade, travelling to a drab five-storey courthouse in western Beijing with about a dozen other relatives to file a lawsuit against Malaysia Airlines before a legal deadline that coincides with the disaster’s two-year anniversary.
  • (13) On the surface, the subject could not have been more drab.
  • (14) Slovakia v Paraguay in Bloem: another drab spectacle with the Slovakians managing to run around aimlessly for 90 minutes.
  • (15) And that's absolutely the right, drab clothing to reach for as the post-Leveson debate enters a new round.
  • (16) Despite all the dribs and drabs of innovation in the ocean of old-media rules, we're beginning to see a kind of ideal on the horizon.
  • (17) Anything positive would stand out against what's been a pretty drab backdrop so far.
  • (18) Yet sometimes a little decay here and there, some graffiti, flyers posted on walls and lampposts, can add liveliness to what would otherwise be a drab urban experience.
  • (19) High up in the National Theatre, Patrick Marber is huddled in the corner of a small, drab room.
  • (20) An AQI reading of 300 blots out the sun, smothering the city in drab uniformity.

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