(a.) Hollow and curved or rounded; vaulted; -- said of the interior of a curved surface or line, as of the curve of the of the inner surface of an eggshell, in opposition to convex; as, a concave mirror; the concave arch of the sky.
(a.) Hollow; void of contents.
(n.) A hollow; an arched vault; a cavity; a recess.
(n.) A curved sheath or breasting for a revolving cylinder or roll.
(v. t.) To make hollow or concave.
Example Sentences:
(1) In the absence of glutamine the aggregate is readily dissociated following dilution of the extract; that is, velocity concaves upward as a function of increasing protein concentration.
(2) Under the SEM, the unstained area of rods is always showing a concavity, which is just a nucleoid in sections under the TEM.
(3) Three cases are presented in which a focal concave deformity occurred along the greater curvature of the stomach on upper gastrointestinal (GI) series.
(4) This change in shape varied from a slight flattening of the LV and IVS during diastole to total reversal of the normal direction of septal curvature such that the IVS became concave toward the RV and convex toward the LV.
(5) The technique combines the conventional plotting the contour lines and the highlighting, by means of hatching, of the concavities (or convexities) of the 'surface' representative of radioactive distribution.
(6) The trapezoidal shape of the vertebrae and scarring of the soft tissues within the concavity made correction difficult.
(7) On freeze-fracture preparations, the fragments with concave profile, corresponding to the external fracture face of plasma membrane, displayed an intramembrane particle density (ranging from 0 to 750 particles per micron2) which is similar to that recorded on the corresponding fracture face of intact cells from the common lymphoblastic leukemia antigen positive leukemic cell line (Nalm-1) or of vesicles shed in the culture medium by Nalm-1 cells.
(8) In testicular and cauda spermatozoa NBD-phallacidin fluorescent material was present in the two ventral processes that extended from the upper concave surface of the sperm head; also fainter material occurred along the concave border and as a dorsocaudal spur.
(9) When viewed in the lateral projection, the concavities superimpose, lying in the posterior portion of the vertebral body.
(10) Dose-effect relationships for most of the sampling times were linear and sometimes linear-quadratic concave upward or downward.
(11) This should be prevented by a bone-graft operation along the concave side of the tibia.
(12) Since February 1982, 23 patients with scoliosis were treated by releasing the soft tissues on the concave side and plaster spinal fusion jacket.
(13) The DRT curves of all data were concave and appeared to have two discrete slopes (z(D) values).
(14) Between the concave surfaces of two bent cadaverine molecules exists water channels all along the short b axis.
(15) Homotropic cooperative effects were observed as shown by the concave downward curvature of the reciprocal plots.
(16) The late mortality is 3.8% per patient-year--standard disc group 2.9% per patient-year and convexo-concave group 4.3% per patient year (no significant difference).
(17) The relationship between chloride transport and extracellular chloride in the presence of bromide is concave upward which suggests that this anion inhibits chloride movement.
(18) (3) A row of regularly spaced ribosomes located in the concavity, but at some distance from the arciform filament.
(19) The authors also consider a problem of how to interpret the symptom of a "snake mouth" or a "concave lens" which (depending on its cause) can be either transient (in a large concrement) or stable (in an exophytic tumor, completely occluding the duct).
(20) In both maxillary and mandibular teeth, approximal concavities often started in enamel, extending down to the root surface.
Empty
Definition:
(superl.) Containing nothing; not holding or having anything within; void of contents or appropriate contents; not filled; -- said of an inclosure, as a box, room, house, etc.; as, an empty chest, room, purse, or pitcher; an empty stomach; empty shackles.
(superl.) Free; clear; devoid; -- often with of.
(superl.) Having nothing to carry; unburdened.
(superl.) Destitute of effect, sincerity, or sense; -- said of language; as, empty words, or threats.
(superl.) Unable to satisfy; unsatisfactory; hollow; vain; -- said of pleasure, the world, etc.
(superl.) Producing nothing; unfruitful; -- said of a plant or tree; as, an empty vine.
(superl.) Destitute of, or lacking, sense, knowledge, or courtesy; as, empty brains; an empty coxcomb.
(superl.) Destitute of reality, or real existence; unsubstantial; as, empty dreams.
(n.) An empty box, crate, cask, etc.; -- used in commerce, esp. in transportation of freight; as, "special rates for empties."
(v. t.) To deprive of the contents; to exhaust; to make void or destitute; to make vacant; to pour out; to discharge; as, to empty a vessel; to empty a well or a cistern.
(v. i.) To discharge itself; as, a river empties into the ocean.
(v. i.) To become empty.
Example Sentences:
(1) However, empty shells can also form independently of intact virions.
(2) We have confirmed this directly by showing that pure CCK is a potent inhibitor of gastric emptying.
(3) It may, however, be useful to compare local wall dynamics in the more isometrically-contracting basal segment with those in the middle portion which brings about most of the emptying of the ventricle.
(4) To investigate the possibility that an abnormality of gastric emptying exists in duodenal ulcer and to determine if such an abnormality persists after ulcer healing, scintigraphic gastric emptying measurements were undertaken in 16 duodenal ulcer patients before, during, and after therapy with cimetidine; in 12 patients with pernicious anemia, and in 12 control subjects.
(5) It will act as a further disincentive for women to seek help.” When Background Briefing visited Catherine Haven in February, the refuge looked deserted, and most of its rooms were empty, despite the town having one of the highest domestic violence rates in the state.
(6) This study compares the effects of 60 minutes of ischemic arrest with profound topical hypothermia (10 dogs) on myocardial (1) blood flow and distribution (microspheres), (2) metabolism (oxygen and lactate), (3) water content (wet to dry weights), (4) compliance (intraventricular balloon), and (5) performance (isovolumetric function curves) with 180 minutes of cardiopulmonary bypass with the heart in the beating empty state (seven dogs).
(7) Gastric emptying curves for all three meals in controls were best described using loge transformed counts.
(8) In this ewe, and in 4 of 7 other sheep diagnosed as having abomasal emptying defects, aspartate transaminase and sorbitol dehydrogenase activities were high, and histopathologic evidence of hepatic congestion and ischemia was found.
(9) In controls the conduit emptied mainly by means of low pressure, to-and-fro activity.
(10) Partly purified virus preparations degraded to empty capsids when incubated in guinea pig serum.
(11) A few blocks away there are streets full of empty buildings, signs that the oil boom of the past decade is long past.
(12) During heavy exercise at 65-75% of VO2 max, time till exhaustion correlates with the pre-exercise muscle glycogen concentration and exhaustion coincides with empty glycogen stores.
(13) On the other hand, esophageal emptying of solid isotopic meals may show the persistence of food in the diverticular sac long time after the meal.
(14) But if May rushes headlong into a panicked triggering of article 50 without a clear idea of what she wants out of negotiations, she will have left us at the mercy of 27 countries who have heard little but table-thumping and empty threats from ministers.
(15) These findings do not support the contention that selective vagotomy alone allows normal gastric emptying.
(16) In those with poor results, four had complete emptying and three had rectoanal intussusception.
(17) Facebook Twitter Pinterest José Mourinho launched a withering attack on the lack of atmosphere generated by Chelsea’s home supporters after their 2-1 victory against QPR , saying it felt like his side were playing at an “empty stadium”.
(18) His shot, though, was pawed on to the inside of the post by David Marshall and it was left to Victor Wanyama to lash the loose ball into the empty net.
(19) Others seek shelter wherever they can – on rented farmland, and in empty houses and disused garages.
(20) The results were in line with the suggestion that proteins in food contribute to the slowing of gastric emptying in such a way that isocaloric amounts of carbohydrate and mixed protein have the same effect.