(v. t.) To put a covering about; to wrap up or in; to inclose within a case, wrapper, integument or the like; to surround entirely; as, to envelop goods or a letter; the fog envelops a ship.
(n.) That which envelops, wraps up, encases, or surrounds; a wrapper; an inclosing cover; esp., the cover or wrapper of a document, as of a letter.
(n.) The nebulous covering of the head or nucleus of a comet; -- called also coma.
(n.) A work of earth, in the form of a single parapet or of a small rampart. It is sometimes raised in the ditch and sometimes beyond it.
(n.) A curve or surface which is tangent to each member of a system of curves or surfaces, the form and position of the members of the system being allowed to vary according to some continuous law. Thus, any curve is the envelope of its tangents.
(n.) A set of limits for the performance capabilities of some type of machine, originally used to refer to aircraft. Now also used metaphorically to refer to capabilities of any system in general, including human organizations, esp. in the phrase push the envelope. It is used to refer to the maximum performance available at the current state of the technology, and therefore refers to a class of machines in general, not a specific machine.
Example Sentences:
(1) The oral nerve endings of the palate, the buccal mucosa and the periodontal ligament of the cat canine were characterized by the presence of a cellular envelope which is the final form of the Henle sheath.
(2) Sequence variation in the gp116 component of cytomegalovirus envelope glycoprotein B was examined in 11 clinical strains and compared with variation in gp55.
(3) Thus, although ferric-enterochelin cannot penetrate the cell surface from outside, the complex that is formed within the envelope is transported normally into the cell.
(4) In addition, transitional macrophages with both positive granules and positive RER, nuclear envelope, negative Golgi apparatus (as in exudate- resident macrophages in vivo), and mature macrophages with peroxidatic activity only in the RER and nuclear envelope (as in resident macrophages in vivo) were found.
(5) Studies using serum from mice that had been immunized with synthetic peptides from the HIV envelope region suggested that this response is directed, at least in part, at several determinants of the transmembrane portion of the HIV envelope glycoprotein.
(6) The influence of exogenous gangliosides on the structure of the viral envelope was studied using fluorescent and photoactivatable phospholipids incorporated into the viral membrane.
(7) Cells infected with enveloped viruses are good systems for studying both aspects of protein glycosylation, since they contain a limited number of different glycoproteins, often with well-defined functions.
(8) The enzyme was removed from the cell envelope by treatment of the whole cells with sodium dodecyl sulfate, Triton X-100, sodium deoxycholate, and proteinase K.
(9) After virus release the major portion of precursors is assembled within an approximately 25 nm thick layer directly attached to the envelope.
(10) This single substitution was sufficient to abolish all detectable cleavage of the gp160 envelope precursor polypeptide as well as virus infectivity.
(11) The envelope glycoprotein of human immunodeficiency virus consists of two subunits, designated gp120 and gp41, derived from the cleavage of a precursor polypeptide gp160.
(12) Lipopolysaccharide content correlated significantly with drug uptake and sensitivity, and it appeared to determine the degree of penetration of the cell envelope by these chlorinated phenols.
(13) Matrix protein (36,500 daltons), one of the major polypeptides of the Escherichia coli cell envelope, is arranged in a periodic monolayer which covers the outer surface of the peptidoglycan.
(14) Translation of mRNA encoding vesicular stomatitis virus envelope glycoprotein G by as membrane-free ribosomal extract obtained from HeLa cells yielded a nonglycosylated protein (G1 (Mr 63,000).
(15) For both the single- and multiple-band signals, performance was best when the signal band(s) had a different envelope from the common envelope of the cue bands, and performance was worst when either the cue bands all had different envelopes, or the signal and cue bands all shared the same envelope.
(16) The data collected by several approaches reveal that assembly and maturation of vaccinia involves a tightly coupled sequence of interrelated events including the assembly of the envelope, post-translational cleavage of several virion polypeptides, and induction of the core enzymes.
(17) The relationship of vaccinia haemagglutinin (HA) to extracellular enveloped virus (EEV) was examined.
(18) April 17, 2013 The third floor isn't doing so well either: Rebecca Berg (@rebeccagberg) Capitol police email Senate offices: Police "are responding to a suspicious envelope on the third floor of the Hart Senate Office Building."
(19) Several fractions were extracted from the cell envelope (CE) of Neisseria meningitidis group B and characterized with regard to their morphology, antigenicity, protein composition, and toxicity.
(20) This preactivated merocyanine 540 was then mixed (in the dark) with tumour cells, normal cells and envelope viruses to assess its antiproliferative activity.
Lap
Definition:
(n.) The loose part of a coat; the lower part of a garment that plays loosely; a skirt; an apron.
(n.) An edge; a border; a hem, as of cloth.
(n.) The part of the clothing that lies on the knees or thighs when one sits down; that part of the person thus covered; figuratively, a place of rearing and fostering; as, to be reared in the lap of luxury.
(n.) That part of any substance or fixture which extends over, or lies upon, or by the side of, a part of another; as, the lap of a board; also, the measure of such extension over or upon another thing.
(n.) The amount by which a slide valve at its half stroke overlaps a port in the seat, being equal to the distance the valve must move from its mid stroke position in order to begin to open the port. Used alone, lap refers to outside lap. See Outside lap (below).
(n.) The state or condition of being in part extended over or by the side of something else; or the extent of the overlapping; as, the second boat got a lap of half its length on the leader.
(n.) One circuit around a race track, esp. when the distance is a small fraction of a mile; as, to run twenty laps; to win by three laps. See Lap, to fold, 2.
(n.) In card playing and other games, the points won in excess of the number necessary to complete a game; -- so called when they are counted in the score of the following game.
(n.) A sheet, layer, or bat, of cotton fiber prepared for the carding machine.
(n.) A piece of brass, lead, or other soft metal, used to hold a cutting or polishing powder in cutting glass, gems, and the like, or in polishing cutlery, etc. It is usually in the form of wheel or disk, which revolves on a vertical axis.
(v. t.) To rest or recline in a lap, or as in a lap.
(v. t.) To cut or polish with a lap, as glass, gems, cutlery, etc. See 1st Lap, 10.
(n.) To fold; to bend and lay over or on something; as, to lap a piece of cloth.
(n.) To wrap or wind around something.
(n.) To infold; to hold as in one's lap; to cherish.
(n.) To lay or place over anything so as to partly or wholly cover it; as, to lap one shingle over another; to lay together one partly over another; as, to lap weather-boards; also, to be partly over, or by the side of (something); as, the hinder boat lapped the foremost one.
(n.) To lay together one over another, as fleeces or slivers for further working.
(v. i.) To be turned or folded; to lie partly upon or by the side of something, or of one another; as, the cloth laps back; the boats lap; the edges lap.
(v. i.) To take up drink or food with the tongue; to drink or feed by licking up something.
(v. i.) To make a sound like that produced by taking up drink with the tongue.
(v. t.) To take into the mouth with the tongue; to lick up with a quick motion of the tongue.
(n.) The act of lapping with, or as with, the tongue; as, to take anything into the mouth with a lap.
(n.) The sound of lapping.
Example Sentences:
(1) On the other hand, the LAP level, identical in preterms and SDB, is lower than in full-term infants but higher than in adults.
(2) We conclude that plasma LAP measurements have little value in monitoring ovulation induction therapy.
(3) A light rain pattered the rooftops of Los Mochis in Friday’s pre-dawn darkness, the town silent and still as the Sea of Cortez lapped its shore.
(4) Experimentally induced tongue contact with a variety of solid surfaces during lapping (an activity involving accumulation of a liquid bolus in the valleculae) induced neither increased jaw opening nor the additional EMG pattern.
(5) Kester said her daughter came and cried in her lap.
(6) 1.08pm BST Lap 2: Sergio Perez is out after an incident at Mirabeau, which is what brought out the yellow flags and safety car.
(7) By comparing P-LAP activity with cystine aminopeptidase activity, we concluded that both activities were shared by the same molecule.
(8) 1.57pm BST Lap 36: Punchy stuff from Jules Bianchi up to 13th, literally bumping his way through Kobayashi on the inside.
(9) The new tablet models come with a better built-in kickstand with two positions rather than one, so they can rest more firmly on users' laps.
(10) After Manchester United came the long goodbye to Stamford Bridge, a home game against Leeds on 15 May 2004, Abramovich's dismissal notice in Ranieri's pocket, but a lap and guard of honour with the players.
(11) Having personally witnessed their live act (Black Flag frantically twanging Bootsy’s Rubber Band) at Dingwalls in late August, I thought I’d made a great discovery until, two breathless days later, and a mere few hours before they left these fair isles, the Peppers deposited their press kit in my lap.
(12) Analysis of the activity of each unit was made at intervals from the beginning of the conditioned signal (light or sound) to the beginning of lapping milk which appeared in the feeding trough after the cat pressed the pedal.
(13) (2) The alleles at the Est-1, Est-2, Amy loci and the AP-4(1.0) and the LAP-1(.90) alleles show north south clinal change in frequency.
(14) On the other hand, grinding the glossy ridge-lap surface, painting the teeth with monomer or a solvent, preparing retention grooves on the ridge-lap portion of the teeth effectively lock the teeth to the denture base.
(15) We correlated Doppler variables of pulmonary venous flow and mitral inflow with simultaneously obtained mean LAP and changes in pressure measured by left atrial or pulmonary artery catheters.
(16) However, saccharin does not trigger a fixed rate of lapping at any point in the sequence.
(17) We might as well put a white cat in his lap.” The photographer asks McCluskey to hold the king up to the camera, and the press officer laughs with a wince.
(18) The race itself will feature 120 cyclists starting at 12.45pm and covering 13 laps of the Tour's finish circuit up and down the Champs Elysées, turning at Place de la Concorde and at the Arc de Triomphe, with a total distance of 90 kilometres.
(19) A significant LAP activity decrease was found only after a 30 day postcastration period when naloxone treated intact animals were compared with the castrated rats.
(20) These results suggest that P-LAP shows oxytocinase activity and plays an important role in the regulation of the plasma level of these hormones during pregnancy.