What's the difference between approximate and rough?

Approximate


Definition:

  • (a.) Approaching; proximate; nearly resembling.
  • (a.) Near correctness; nearly exact; not perfectly accurate; as, approximate results or values.
  • (v. t.) To carry or advance near; to cause to approach.
  • (v. t.) To come near to; to approach.
  • (v. i.) To draw; to approach.

Example Sentences:

  • (1) Between 25 and 40 degrees C, the thermal dependencies of VR and f were approximately constant (Q10's of 1.31 and 1.36 got VR and f, respectively).
  • (2) The proportion of teeth per child with calculus was approximately 8 percent for supragingival and 4 percent for subgingival calculus.
  • (3) 5-Azacytidine (I) stability was increased approximately 10-fold over its stability in water or lactated Ringer injection by the addition of excess sodium bisulfite and the maintenance of pH approximately 2.5.
  • (4) This time is approximately six months for the neuroleptics given orally, one month for antidepressants, and five and a half half-lives for benzodiazepines.
  • (5) After 55 days of unrestricted food availability the body weight of the neonatally deprived rats was approximately 15% lower than that of the controls.
  • (6) In the clinical trials in which there was complete substitution of fat-modified ruminant foods for conventional ruminant products the fall in serum cholesterol was approximately 10%.
  • (7) Only the approximately 2.7 kb mRNA species was visualized in Northern blots of total cellular and poly(A+) RNA isolated from cardiac ventricular muscle.
  • (8) The enzyme was solubilized by Triton X-100 and purified approximately 480-fold by gel filtration and affinity chromatography on alanine methyl ketone-AH-Sepharose 4B.
  • (9) The Cao-dependent Na+ efflux was half-maximally activated by [Ca2+]o = 2.0 mM in LiSW and 7.2 mM in Tris-SW; at saturating [Ca2+]o, [Ca2+]i, and [Na+]i the maximal (calculated) Cao-dependent Na+ efflux was approximately 75 pmol#cm2.s.
  • (10) The DNA untwisting enzyme has been purified approximately 300-fold from rat liver nuclei.
  • (11) The molecular weight of antigen RFB2 was estimated to be approximately 85,000 daltons based on the results of gel filtration on Sepharose CL-6B.
  • (12) Approximately 90% of the patients have a lambda light chain myeloma protein and almost all patients excrete Bence-Jones protein.
  • (13) With glucose and protein as intraduodenal stimulus (no pancreatin added), the plasma amino acids rose significantly less (by approximately 50% of the control experiment) and the increment in insulin (but not C-peptide) concentrations was significantly reduced by loxiglumide.
  • (14) Plasma fibrinogen decreased by approximately 7% due to hemodilution caused by plasma volume expansion.
  • (15) The estimated DNA compaction ratio (approximately 3-fold) is consistent with a significant degree of nucleosome unfolding in the hyperstimulated BR genes.
  • (16) Each species has approximately 500 core histones cluster repeats per haploid genome.
  • (17) This gene, termed cbbE', codes for a putative surface protein of approximately 55 kDa, termed the E' protein.
  • (18) The total content of both thyroid hormones in the oocytes increased throughout most of the ovarian cycle as the oocytes increased in size from less than 2 mg to approximately 6.5 mg by ovulation.
  • (19) Sonographic images of the gallbladder enable satisfactory approximation of gallbladder volume using the sum-of-cylinders method.
  • (20) Replacement of Na+ by K+ or Li+ did not alter uptake, whereas replacement of Cl- by HCO-3 or gluconate- reduced uptake by approximately 40%.

Rough


Definition:

  • (n.) Having inequalities, small ridges, or points, on the surface; not smooth or plain; as, a rough board; a rough stone; rough cloth.
  • (n.) Not level; having a broken surface; uneven; -- said of a piece of land, or of a road.
  • (n.) Not polished; uncut; -- said of a gem; as, a rough diamond.
  • (n.) Tossed in waves; boisterous; high; -- said of a sea or other piece of water.
  • (n.) Marked by coarseness; shaggy; ragged; disordered; -- said of dress, appearance, or the like; as, a rough coat.
  • (n.) Hence, figuratively, lacking refinement, gentleness, or polish.
  • (n.) Not courteous or kind; harsh; rude; uncivil; as, a rough temper.
  • (n.) Marked by severity or violence; harsh; hard; as, rough measures or actions.
  • (n.) Loud and hoarse; offensive to the ear; harsh; grating; -- said of sound, voice, and the like; as, a rough tone; rough numbers.
  • (n.) Austere; harsh to the taste; as, rough wine.
  • (n.) Tempestuous; boisterous; stormy; as, rough weather; a rough day.
  • (n.) Hastily or carelessly done; wanting finish; incomplete; as, a rough estimate; a rough draught.
  • (n.) Produced offhand.
  • (n.) Boisterous weather.
  • (n.) A rude fellow; a coarse bully; a rowdy.
  • (adv.) In a rough manner; rudely; roughly.
  • (v. t.) To render rough; to roughen.
  • (v. t.) To break in, as a horse, especially for military purposes.
  • (v. t.) To cut or make in a hasty, rough manner; -- with out; as, to rough out a carving, a sketch.

Example Sentences:

  • (1) By 24 hr, rough endoplasmic reticulum in thecal cells increased from 4.2 to 7% of cell volume, while the amount in granulosa cells increased from less than 3.5% to more than 10%; the quantity remained relatively constant in the theca but declined to prestimulation values in the granulosa layer.
  • (2) Thus, it appears that neuronal loss may account for up to roughly half of the striatal D2 receptor loss during aging.
  • (3) The cis isomer was retained longer in liver, particularly in mitochondria, but had low retention in that portion of the endoplasmic reticulum isolated as the rough membrane fraction.
  • (4) The results indicated that roughly 25% of patients treated in this way will become hypothyroid after 5 years and that 85% are cured (need no further therapy during the follow-up period) using a single dose of iodine-131.
  • (5) This heretogeneity occurred mainly as a progressive, decreasing gradient in the first half of this pathway, between the rough endoplasmic reticulum and the mi-cisternae of the Golgi apparatus.
  • (6) Electron microscopy revealed a well-developed rough endoplasmic reticulum, an enlarged Golgi apparatus and many highly electron-dense secretory granules resembling those of Clara cells.
  • (7) Four fractions enriched, respectively, in plasma membrane (PM), smooth endoplasmic reticulum (SER), rough endoplasmic reticulum (RER), and mitochondria were isolated from estrogen-dominated rat myometrium.
  • (8) For trials in which the target was present in the array, RT functions were roughly symmetric, the shortest RTs being for extreme distractor ratios, and the longest RTs being for arrays in which there were an equal number of each distractor type.
  • (9) Classic technics of digital image analysis and new algorithms were used to improve the contrast on the full image or a portion of it, contrast a skin lesion with statistical information deduced from another lesion, evaluate the shape of the lesion, the roughness of the surface, and the transition region from the lesion to the normal skin, and analyze a lesion from the chromatic point of view.
  • (10) Electron microscopic evaluation of microsomal fractions showed elements of the plasma membrane, including cilia and microvilli, as well as rough and smooth endoplasmic reticulum.
  • (11) The local guide led us down a rough, uneven pathway, talking as he went.
  • (12) It's the roughly $2bn in revenue grossed by his blockbuster movies, some of which he had to be talked into making.
  • (13) The interaction between PE and E-IgG involved the extension of micropseudopods toward adherent E-IgG, the formation of a linear uniform cap of roughly 200 A between opposing cell membranes, the ingestion of E-IgG by PE into a membrane-lined compartment, and the disintegration of the ingested ligand into membranous debris.
  • (14) Ultracentrifugally separated HDL2 and HDL3 roughly corresponded to HDL2e and HDL3e, respectively.
  • (15) The locations of these 15 insertion sites correlate well with the roughly estimated locations of five of the DNase I-hypersensitive subregions.
  • (16) The Lords will vote on three key amendments: • To exclude child benefit from the cap calculation (this would roughly halve the number of households affected).
  • (17) The unique structure we describe is a cytoplasmic organelle which, like annulate lamellae, is closely associated with the endoplasmic reticulum and is presumed to be related to the genesis of rough-surfaced endoplasmic reticulum in tumor cells.
  • (18) Besides the rough, wrinkled, and brown or black surface of the fingertips, microwrinkles of the epidermis occur on the skin ridges, which have so far not been described.
  • (19) Ultrastructural examination of noncartilaginous regions of the tumor demonstrated mesenchymal cells with features suggestive of cartilaginous differentiation, viz, scalloped cell membranes, sac-like distension of abundant rough endoplasmic reticulum, and a matrix containing fibrillary and finely granular material.
  • (20) That, roughly, was the theme of the Wednesday Play, Cathy Come Home, (BBC1) directed by Kenneth Loach, produced by Tony Garnett.