What's the difference between rough and trough?

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.

Trough


Definition:

  • (n.) A long, hollow vessel, generally for holding water or other liquid, especially one formed by excavating a log longitudinally on one side; a long tray; also, a wooden channel for conveying water, as to a mill wheel.
  • (n.) Any channel, receptacle, or depression, of a long and narrow shape; as, trough between two ridges, etc.

Example Sentences:

  • (1) These observations were confirmed by the killing curves in pooled serum obtained at peak and trough levels.
  • (2) Plasma aldosterone peaked (p < 0.05) at 22 hours after operation, and argine vasopressin peaked (p < 0.05) at two hours and then declined (p < 0.05) to a trough at 24 hours.
  • (3) Our observations demonstrated that echographic coaptation of the aortic valve leaflets coincides with the trough of the aortic pressure incisura and the onset of A2.
  • (4) The goal of the expedition, led by Prof Ken Takai of the Japan Agency for Marine-Earth Science and Technology, was to study the limits of life at deep-sea vents in the Cayman Trough as part of a round-the-world voyage of discovery by the research ship RV Yokosuka .
  • (5) IDDM in Canterbury, New Zealand, presents in cycles of incidence peaks and troughs, each spanning 2-3 yr.
  • (6) No IgE circadian rhythm was validated in healthy children while a large amplitude (approximately equal to 30% of the 24 hours mean) circadian rhythm with 2 diurnal peaks and a nocturnal trough was demonstrated (P less than 0.0023) in the asthmatics.
  • (7) Trough levels of LH, however, are dependent on the frequency of LHRH-induced pulsatile LH secretion.
  • (8) Appropriate conditions for administering the drug by intravenous drip infusion to neonates and infants at ages of more than 1 week were investigated taking observed blood levels and achieved peak levels and trough levels calculated using the one-compartment open model into account.
  • (9) Dose limiting toxicities were observed in 9 of 10 patients with 12-h trough piritrexim concentrations greater than 0.5 microM, whereas only 2 of 7 patients with trough concentrations less than 0.5 microM experienced dose limiting toxicities.
  • (10) Both free and luciferase-bound B show similar negative circular dichroism in the region 330-475 nm with troughs at 375 and 380 nm, respectively.
  • (11) Whole blood steady-state trough concentrations of cyclosporine were measured by radioimmunoassay (RIA) and TDx assays employing monoclonal antibodies in 82 samples from 39 renal transplant patients.
  • (12) Regression analysis also showed a strong relationship between the area under the curve (AUC) from time 0 to 11 hours after the initial dose and the trough at steady state (r = 0.86).
  • (13) algebraic sum of these three cosine functions yielded a circadian waveform with peak-times occurring near 0300 and 1130 hr and a trough-time about 2200 hr.
  • (14) Group I represented the modified "over-the-top" technique with a deep cancellous bone trough and represented the most isometric tracking.
  • (15) Circular dichroic spectra of the lipophorins and apolipophorin from 190 to 250 nm showed a single trough at 218 nm and a peak at 194 nm.
  • (16) • The best ideas are tested by their peaks and troughs.
  • (17) During the estrous cycle, mitotic activity of the granulosa cells was highest at estrus in follicles less than 601 micron, and at diestrus in follicles greater than 600 micron; while the mitotic trough was at proestrus in all the follicles.
  • (18) Data analysis revealed a seasonal pattern in the monthly distribution of births, with the peak period observed during April-June, and a trough during November-January.
  • (19) The issues in CsA monitoring include selection of sample matrix, analytical method, dosing interval and the timing of trough measurements, the temporal relationship between measurements and physiological events such as toxicity, the concurrent presence of multiple other immunosuppressive agents, and the lack of "gold standards" for determining rejection, adequate immunosuppression, and toxicity.
  • (20) The addition of LTB4 to the microsomal fraction gave a type-I spectral change with a peak at around 390 nm and a trough at 422 nm, indicating a direct interaction of LTB4 with the cytochrome P-450.