(n.) A large tree, the Artocarpus integrifolia, common in the East Indies, closely allied to the breadfruit, from which it differs in having its leaves entire. The fruit is of great size, weighing from thirty to forty pounds, and through its soft fibrous matter are scattered the seeds, which are roasted and eaten. The wood is of a yellow color, fine grain, and rather heavy, and is much used in cabinetwork. It is also used for dyeing a brilliant yellow.
(n.) A familiar nickname of, or substitute for, John.
(n.) An impertinent or silly fellow; a simpleton; a boor; a clown; also, a servant; a rustic.
(n.) A popular colloquial name for a sailor; -- called also Jack tar, and Jack afloat.
(n.) A mechanical contrivance, an auxiliary machine, or a subordinate part of a machine, rendering convenient service, and often supplying the place of a boy or attendant who was commonly called Jack
(n.) A device to pull off boots.
(n.) A sawhorse or sawbuck.
(n.) A machine or contrivance for turning a spit; a smoke jack, or kitchen jack.
(n.) A wooden wedge for separating rocks rent by blasting.
(n.) A lever for depressing the sinkers which push the loops down on the needles.
(n.) A grating to separate and guide the threads; a heck box.
(n.) A machine for twisting the sliver as it leaves the carding machine.
(n.) A compact, portable machine for planing metal.
(n.) A machine for slicking or pebbling leather.
(n.) A system of gearing driven by a horse power, for multiplying speed.
(n.) A hood or other device placed over a chimney or vent pipe, to prevent a back draught.
(n.) In the harpsichord, an intermediate piece communicating the action of the key to the quill; -- called also hopper.
(n.) In hunting, the pan or frame holding the fuel of the torch used to attract game at night; also, the light itself.
(n.) A portable machine variously constructed, for exerting great pressure, or lifting or moving a heavy body through a small distance. It consists of a lever, screw, rack and pinion, hydraulic press, or any simple combination of mechanical powers, working in a compact pedestal or support and operated by a lever, crank, capstan bar, etc. The name is often given to a jackscrew, which is a kind of jack.
(n.) The small bowl used as a mark in the game of bowls.
(n.) The male of certain animals, as of the ass.
(n.) A young pike; a pickerel.
(n.) The jurel.
(n.) A large, California rock fish (Sebastodes paucispinus); -- called also boccaccio, and merou.
(n.) The wall-eyed pike.
(n.) A drinking measure holding half a pint; also, one holding a quarter of a pint.
(n.) A flag, containing only the union, without the fly, usually hoisted on a jack staff at the bowsprit cap; -- called also union jack. The American jack is a small blue flag, with a star for each State.
(n.) A bar of iron athwart ships at a topgallant masthead, to support a royal mast, and give spread to the royal shrouds; -- called also jack crosstree.
(n.) The knave of a suit of playing cards.
(n.) A coarse and cheap mediaeval coat of defense, esp. one made of leather.
(n.) A pitcher or can of waxed leather; -- called also black jack.
(v. i.) To hunt game at night by means of a jack. See 2d Jack, n., 4, n.
(v. t.) To move or lift, as a house, by means of a jack or jacks. See 2d Jack, n., 5.
Example Sentences:
(1) A remarkably close relationship was found between both H. pylori urease subunits and jack bean (Canavalia ensiformis) urease, the subunit of which is a single 840 amino acid polypeptide.
(2) In 0.17 M Na+(aq), tRNA(Phe) exists in its native conformation and the number of strong binding sites (Ka greater than or equal to 10(4)) was estimated to be 3-4 by titration experiments, in agreement with X-ray structural data for crystalline tRNA(Phe) (Jack et al., 1977).
(3) Jack Straw, foreign secretary at the time of the Iraq war, took a less dramatic view.
(4) precursor phaseolin) is incubated with jack bean alpha-mannosidase show that the high mannose glycan on Asn252, but not the one on Asn341, is susceptible to enzyme degradation.
(5) "My wonderful, brave and adored father, Jack Ashley, Lord Ashley of Stoke, has died after a short battle with pneumonia."
(6) 9.31am BST Jack Straw , the Labour former home secretary, was on the Today programme earlier talking about the "plebgate" affair.
(7) This communication reviews the almost 40 years of studies by Jack Metcoff, MD, and coworkers to unravel the causes of fetal malnutrition and their efforts to prevent it.
(8) "Most of the grain produced on our farm ends up bound for export," said Jack McCormick, who raises beef cattle and grain with his father.
(9) Jack Straw's detailed blueprint for a 300- strong, wholly elected upper chamber to replace the Lords appears to have been blocked at the last minute following resistance in cabinet.
(10) His opposite number, Roy Carroll, saved at the feet of Sinclair, the County striker Izale McLeod drove inches wide, but in the 24th minute Villa were level, Jack Grealish dancing through a series of attempted tackles before putting the ball on a plate inside the penalty area for the hugely promising Adama Traoré to thump past Carroll.
(11) The manager added that City would also be without Kolo Touré, Abdul Razak and Jack Rodwell, who has a hamstring problem.
(12) Comment is free contributor Jack Monroe made the Guardian shortlist and got one commenter's You Tell Us award for Outstanding Excellence in the field of Talking Sense .
(13) The link between the conditions has not yet been discovered, but here Jack Wall and colleagues develop the theory that an autoimmune response to a 64 kDa antigen expressed on both thyroid and eye muscle membranes is responsible for this thyroid-associated ophthalmopathy.
(14) Fellow co-founder Jack Dorsey could make around half that.
(15) Other high-profile absentees include Danny Welbeck, Jack Wilshere, Luke Shaw and Jordan Henderson.
(16) Onerous new regulations could threaten the shale energy revolution, America’s role as a global energy superpower, and the dramatic reductions in CO2 emissions made possible by an abundant and affordable domestic supply of clean-burning natural gas,” Jack Gerrard, president of the American Petroleum Institute, said in a statement.
(17) The American has not secured a major title since Torrey Pines for the 2008 US Open and, while overhauling Jack Nicklaus's record total of 18 majors was once a matter of "when", it is now very much a case of "if".
(18) By N-terminal analysis, the 29.5-kDa subunit of H. pylori urease was found to share significant amino acid sequence similarity with the smallest of three subunits of the Proteus mirabilis and Morganella morganii ureases, as well as to the amino terminus of the unique jack bean subunit.
(19) Outside-funded overseas travel was also declared, including a visit to the Paris Air show for the Tory MP Jack Lopresti and his researcher, paid for by the global missile company MBDA.
(20) Even Jack Straw is trying to close down some of its overripe practices.
Ovoid
Definition:
(a.) Alt. of Ovoidal
(n.) A solid resembling an egg in shape.
Example Sentences:
(1) The shape of the nucleus changes from ovoid to a distinctive, radially splayed lobulated structure.
(2) GABA-immunogold reaction has revealed the presence of this inhibitory transmitter in most axon terminals containing ovoid-pleomorphic vesicles within the molecular layer, including those resembling climbing fiber-terminals.
(3) Bouton-like terminals were found to be of two types according to their vesicle content, namely, boutons with ovoid, clear synaptic vesicles forming Gray type-1 synapses and boutons with pleomorphic clear synaptic vesicles forming Gray type-2 synapses.
(4) The vaginal ovoid irradiation alone should be limited to very selected cases.
(5) These receptors were subdivided by their morphology in the next groups: pear-shaped receptors with capsule; capsuled spherical receptors located near vascular walls; ovoidal receptors with capsule and glomerular structure; simple or complex mace-shaped receptors without capsule.
(6) Varying widely in size and configuration, these structures are usually somewhat ovoid but can be elongated, gently squared, or asymmetric.
(7) By contrast, the principal sensory nucleus is distinguished by its high density of small to medium-sized (8-20 micron) round or ovoid neurons.
(8) The following species features of this animals are associated with their adaptation to high-altitude hypoxia: organization of alpha-granules, mitochondria, the contractile system (microtubes, F-actin), ovoid form of platelets.
(9) Rat TSH cells were ovoid or angular to stellate, and contained granules ranging in size from 60-175 nm.
(10) In some myelinated fibres there were pseudomyelinic ovoids.
(11) The isolated cells have an ovoid soma, a dendrite of variable length which terminates in a cilia-bearing knob and an axon, also of variable length.
(12) The notable absence of this complication in our patients at a mean follow-up of 41 months (range 3-71) documents that this ovoidal composite graft is a reliable tool in the treatment of aortic root pathology.
(13) The earliest lesions of the patch stage of Kaposi's sarcoma show a slightly increased number of cells with small ovoid nuclei around preexistent structures, accompanied, in some cases, by sparse infiltrates of lymphocytes and plasma cells.
(14) Except for its conidia, which are mostly reniform to allantoid rather than ovoid as is characteristic for W. dermatitidis, and the undecided mode of conidiogenesis, the isolate closely resembles W. dermatitidis in gross and microscopic morphology, thermotolerance, and general and neurotrophic infectivity patterns in mice injected intraperitoneally.
(15) An ovoid cell was similar to a gemistocytic astrocyte.
(16) 4) Islet cells in the pancreatic tissue of the minor duodenal papilla were rich in B-cells which were round to ovoid in shape and sharply outlined.
(17) A second type was smaller, fusiform or ovoid and generally bipolar; a significant number of these were immunoreactive for the releasing hormone LHRH.
(18) Giant (greater than 40 mu) and large (26-40 mu) neurons are distinguished primarily by size and possess similar ultrastructural features: extensive areas of rough endoplasmic reticulum (RER), a prominent perinuclear Golgi complex, numerous mitochondria and pigment granules and a large, ovoid nucleus which occasionally contains intranuclear rodlets.
(19) They can be summarized as: mesial shifting of the maxilla, dimensional increase of the mandibular body, ovoidal upper arch with a deeper palatal vault, tapering or trapezoidal lower arch.
(20) Our findings show that round or ovoid GABA-immunoreactive neurons were abundant in both subdivisions.