(n.) The anterior or superior part of an animal, containing the brain, or chief ganglia of the nervous system, the mouth, and in the higher animals, the chief sensory organs; poll; cephalon.
(n.) The uppermost, foremost, or most important part of an inanimate object; such a part as may be considered to resemble the head of an animal; often, also, the larger, thicker, or heavier part or extremity, in distinction from the smaller or thinner part, or from the point or edge; as, the head of a cane, a nail, a spear, an ax, a mast, a sail, a ship; that which covers and closes the top or the end of a hollow vessel; as, the head of a cask or a steam boiler.
(n.) The place where the head should go; as, the head of a bed, of a grave, etc.; the head of a carriage, that is, the hood which covers the head.
(n.) The most prominent or important member of any organized body; the chief; the leader; as, the head of a college, a school, a church, a state, and the like.
(n.) The place or honor, or of command; the most important or foremost position; the front; as, the head of the table; the head of a column of soldiers.
(n.) Each one among many; an individual; -- often used in a plural sense; as, a thousand head of cattle.
(n.) The seat of the intellect; the brain; the understanding; the mental faculties; as, a good head, that is, a good mind; it never entered his head, it did not occur to him; of his own head, of his own thought or will.
(n.) The source, fountain, spring, or beginning, as of a stream or river; as, the head of the Nile; hence, the altitude of the source, or the height of the surface, as of water, above a given place, as above an orifice at which it issues, and the pressure resulting from the height or from motion; sometimes also, the quantity in reserve; as, a mill or reservoir has a good head of water, or ten feet head; also, that part of a gulf or bay most remote from the outlet or the sea.
(n.) A headland; a promontory; as, Gay Head.
(n.) A separate part, or topic, of a discourse; a theme to be expanded; a subdivision; as, the heads of a sermon.
(n.) Culminating point or crisis; hence, strength; force; height.
(n.) Power; armed force.
(n.) A headdress; a covering of the head; as, a laced head; a head of hair.
(n.) An ear of wheat, barley, or of one of the other small cereals.
(n.) A dense cluster of flowers, as in clover, daisies, thistles; a capitulum.
(n.) A dense, compact mass of leaves, as in a cabbage or a lettuce plant.
(n.) The antlers of a deer.
(n.) A rounded mass of foam which rises on a pot of beer or other effervescing liquor.
(n.) Tiles laid at the eaves of a house.
(a.) Principal; chief; leading; first; as, the head master of a school; the head man of a tribe; a head chorister; a head cook.
(v. t.) To be at the head of; to put one's self at the head of; to lead; to direct; to act as leader to; as, to head an army, an expedition, or a riot.
(v. t.) To form a head to; to fit or furnish with a head; as, to head a nail.
(v. t.) To behead; to decapitate.
(v. t.) To cut off the top of; to lop off; as, to head trees.
(v. t.) To go in front of; to get in the front of, so as to hinder or stop; to oppose; hence, to check or restrain; as, to head a drove of cattle; to head a person; the wind heads a ship.
(v. t.) To set on the head; as, to head a cask.
(v. i.) To originate; to spring; to have its source, as a river.
(v. i.) To go or point in a certain direction; to tend; as, how does the ship head?
(v. i.) To form a head; as, this kind of cabbage heads early.
Example Sentences:
(1) This study was undertaken to determine whether the survival of Hispanic patients with squamous cell carcinoma of the head and neck was different from that of Anglo-American patients.
(2) An association of cyclophosphamide, fluorouracil and methotrexate already employed with success against solid tumours in other sites was used in the treatment of 62 patients with advanced tumours of the head and neck.
(3) Head-injured patients had a low thyroxine (T4), low triiodothyronine (T3), and high reverse T3.
(4) Currently, photodynamic therapy is under FDA-approved clinical investigational trials in the treatment of tumors of the skin, bronchus, esophagus, bladder, head and neck, and of gynecologic and ocular tumors.
(5) A triphasic pattern was evident for the neck moments including a small phase which represented a seating of the headform on the nodding blocks of the uppermost ATD neck segment, and two larger phases of opposite polarity which represented the motion of the head relative to the trunk during the first 350 ms after impact.
(6) Businesses fleeing Brexit will head to New York not EU, warns LSE chief Read more Amid attempts by Frankfurt, Paris and Dublin to catch possible fallout from London, Sir Jon Cunliffe said it was highly unlikely that any EU centre could replicate the services offered by the UK’s financial services industry.
(7) By means of computed tomography (CT) values related to bone density and mass were assessed in the femoral head, neck, trochanter, shaft, and condyles.
(8) A substance with a chromatographic mobility of Rf = 0.8 on TLC plates having an intact phosphorylcholine head group was also formed but has not yet been identified.
(9) Lin Homer's CV Lin Homer left local for national government in 2005, giving up a £170,000 post as chief executive of Birmingham city council after just three years in post, to head the Immigration Service.
(10) The skull films and CT scans of 1383 patients with acute head injury transferred to a regional neurosurgical unit were reviewed.
(11) Both Ken Whisenhunt and Lovie Smith were fired as head coaches after the 2012 season.
(12) Thirteen patients had had a posterior dislocation with an associated fracture of the femoral head located either caudad or cephalad to the fovea centralis (Pipkin Type-I or Type-II injury), one had had a posterior dislocation with associated fractures of the femoral head and neck (Pipkin Type III), two had had a posterior dislocation with associated fractures of the femoral head and the acetabular rim (Pipkin Type IV), and three had had a fracture-dislocation that we could not categorize according to the Pipkin classification.
(13) Eight cases of calcification following anterior dislocation of the head of the radius are described.
(14) Younge, a former head of US cable network the Travel Channel, succeeded Peter Salmon in the role last year.
(15) Martin Wheatley will remain head of the Conduct Business Unit and become the future chief executive of the FCA.
(16) It happens to anyone and everyone and this has been an 11-year battle.” Emergency services were called to the oval about 6.30pm to treat Luke for head injuries, but were unable to revive him.
(17) This study reviewed 148 patients who had received radiation for head and neck cancer.
(18) In this study, a technique is described by which large obturators can be retained with an acrylic resin head plate.
(19) The authors describe a new technique for evaluating traumatic conditions to the elbow: the radial head-capitellum view.
(20) Nick Robins, head of the Climate Change Centre at HSBC, said: "If you think about low-carbon energy only in terms of carbon, then things look tough [in terms of not using coal].
Principal
Definition:
(a.) Highest in rank, authority, character, importance, or degree; most considerable or important; chief; main; as, the principal officers of a Government; the principal men of a state; the principal productions of a country; the principal arguments in a case.
(a.) Of or pertaining to a prince; princely.
(n.) A leader, chief, or head; one who takes the lead; one who acts independently, or who has controlling authority or influence; as, the principal of a faction, a school, a firm, etc.; -- distinguished from a subordinate, abettor, auxiliary, or assistant.
(n.) The chief actor in a crime, or an abettor who is present at it, -- as distinguished from an accessory.
(n.) A chief obligor, promisor, or debtor, -- as distinguished from a surety.
(n.) One who employs another to act for him, -- as distinguished from an agent.
(n.) A thing of chief or prime importance; something fundamental or especially conspicuous.
(n.) A capital sum of money, placed out at interest, due as a debt or used as a fund; -- so called in distinction from interest or profit.
(n.) The construction which gives shape and strength to a roof, -- generally a truss of timber or iron, but there are roofs with stone principals. Also, loosely, the most important member of a piece of framing.
(n.) In English organs the chief open metallic stop, an octave above the open diapason. On the manual it is four feet long, on the pedal eight feet. In Germany this term corresponds to the English open diapason.
(n.) A heirloom; a mortuary.
(n.) The first two long feathers of a hawk's wing.
(n.) One of turrets or pinnacles of waxwork and tapers with which the posts and center of a funeral hearse were formerly crowned.
(n.) A principal or essential point or rule; a principle.
Example Sentences:
(1) In addition to their involvement in thrombosis, activated platelets release growth factors, most notably a platelet-derived growth factor (PDGF) which may be the principal mediator of smooth muscle cell migration from the media into the intima and of smooth muscle cell proliferation in the intima as well as of vasoconstriction.
(2) While stereology is the principal technique, particularly in its application to the parenchyma, other compartments such as the airways and vasculature demand modifications or different methods altogether.
(3) Chromatography and immunoassays are the two principal techniques used in research and clinical laboratories for the measurement of drug concentrations in biological fluids.
(4) This paper reports, principally, the caries results of the first three surveys of 5, 12 and 5-year-olds undertaken at the end of 1987, 1988 and 1989, respectively.
(5) Rigidly fixing the pubic symphysis stiffened the model and resulted in principal stress patterns that did not reflect trabecular density or orientations as well as those of the deformable pubic symphysis model.
(6) The binding parameters indicate that the principal activating effect of UMP is not simply to increase the affinity of the enzyme for glucose.
(7) Mononuclear phagocytic cells from patients with either principal form of leprosy functioned similarly to normal monocytes in phagocytosis while their fungicidal activity for C. pseudotropicalis was statistically significantly altered and was more evident in the lepromatous than in the tuberculoid type.
(8) In the terminal segment of the hamster epididymidis there was some evidence of micro-merocrine protein secretion a the level of the principal cells and clear evidence of granular secretion in the light cells, presumable of glycoproteins.
(9) In the analysis of background fluorescence, the principal components were, as for the two-step technique, autofluorescence and propidium spectral overlap.
(10) However, at Period B, neutrophil numbers in the BAL fluid were increased in the principal but not in the control animals.
(11) Principal conclusions are: 1) rapid change to predominantly heterosexual HIV transmission can occur in North America, with serious societal impact; 2) gender-specific clinical features can lead to earlier diagnosis of HIV infection in women; 3) HIV infection in women does not pursue an inherently more rapid course than that observed in men.
(12) The concentrations of the principal extratesticular androgens and estradiol do not seem to have a quantitative influence on these androphilic proteins either.
(13) A principal function of GPIb is its attachment to von Willebrand Factor (vWF) on injured blood vessels which leads to the adhesion of platelets to these vessels.
(14) The principal variables influencing a particular configuration and their effects are indicated.
(15) The principal form of HMTs produced by these human peripheral blood monocytes has been subjected to biochemical, functional, and serological characterization.
(16) Micronutrient antioxidants such as alpha-tocopherol, the principal lipid-soluble antioxidant, assume potential significance because levels can be manipulated by dietary measures without resulting in side effects.
(17) Cytochrome oxidase histochemistry revealed patchy patterns of the enzyme activity in transverse sections through the caudal part of the ventral subnucleus of the principal sensory trigeminal nucleus, interpolar spinal trigeminal nucleus, and layer IV of the caudal spinal trigeminal nucleus in the cat.
(18) 3. an up-to-date review of the principal methods and systems used to measure the sedimentation rate--Automation of the Westergren initial methodology.
(19) • Queen Margaret Union, one of the University of Glasgow's two student unions, says 200 students there are marching on the principal's office at the moment to present an anti-cuts petition.
(20) This observation provides corroboration for the identification of the principal CCK-I neuron in the rat olfactory bulb as the centrally projecting middle tufted cell.