| point of ossification | The site of earliest bone formation via accumulation of osteoblasts within connective tissue (membranous ossification) or of earliest destruction of cartilage prior to onset of ossification (endochondral ossification). Synonym: punctum ossificationis, ossific centre, point of ossification. (05 Mar 2000) |
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| point of proximal contact | That part of the proximal surface of a tooth which touches the adjacent tooth mesially or distally. Synonym: contact point, point of proximal contact. (05 Mar 2000) |
| point of regard | The point on the retina at which the rays coming from an object regarded directly are focused. Synonym: point of regard. (05 Mar 2000) |
| point projection | <microscopy> A method of producing enlarged images by means of X rays. The specimen is placed close to a point source of X rays and the magnification achieved is the ratio of source-image to source-object distance. Resolution depends primarily on the diameter of the source. (05 Aug 1998) |
| point source | In photometry, a very small source of light which is regarded as a geometrical point from which light emanates in straight lines in all directions. (05 Mar 2000) |
| point system test types | A near-vision test chart in which the various test types are multiples of a point (1/72 inch), lower-case letters being one-half the designated point size; reading 4-point at 16 inches is normal, and is designated N-4. (05 Mar 2000) |
| point tenderness | <clinical sign> A finding on physical examination that can indicate a localised inflammatory process due to injury or disease. Point tenderness will be discovered over fracture sites (in bone injury). (27 Sep 1997) |
| point-of-care systems | Laboratory and other services provided to patients at the bedside. These include diagnostic and laboratory testing using automated information entry systems. (12 Dec 1998) |
| point-spread function | <microscopy> The mathematical representation of the image of a point source. For a diffraction-limited optical system operating in the absence of aberrations, the point-spread function is the Airy disk. See: three-dimensional diffraction pattern. (05 Aug 1998) |
| pointal | 1. <botany> The pistil of a plant. 2. A kind of pencil or style used with the tablets of the Middle Ages. "A pair of tablets [i. E, tablets] . . . And a pointel." 3. See Poyntel. Origin: From Point: cf. F. Pointal an upright wooden prop, OF. Pointille a prick or prickle. Source: Websters Dictionary (01 Mar 1998) |
| pointed | 1. Sharp; having a sharp point; as, a pointed rock. 2. Characterised by sharpness, directness, or pithiness of expression; terse; epigrammatic; especially, directed to a particular person or thing. "His moral pleases, not his pointed wit." (Pope) Pointed arch, a name given to that style of architecture in which the pointed arch is the predominant feature; more commonly called Gothic. Point"edly, Point"edness. Source: Websters Dictionary (01 Mar 1998) |
| pointed condyloma | An obsolete term for condyloma acuminatum. (05 Mar 2000) |
| pointer | One who, or that which, points. Specifically: The hand of a timepiece. <zoology> One of a breed of dogs trained to stop at scent of game, and with the nose point it out to sportsmen. <astronomy> Diagonal braces sometimes fixed across the hold. Source: Websters Dictionary (01 Mar 1998) |
| pointillage | A massage manipulation with the tips of the fingers. Origin: Fr. Dotting, stippling (05 Mar 2000) |
| pointing | Preparing to open spontaneously, said of an abscess or a boil. (05 Mar 2000) |
| poison hemlock |
hemlock: large branching biennial herb native to Eurasia and Africa and adventive in North America having large fernlike leaves and white flowers; usually found in damp habitats; all parts extremely poisonous
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| Poisson distribution |
a theoretical distribution that is a good approximation to the binomial distribution when the probability is small and the number of trials is large
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| poikilotherm |
an animal whose body temperature varies with the temperature of its surroundings; any animal except birds and mammals
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| point |
a geometric element that has position but no extension; "a point is defined by its coordinates" the precise location of something; a spatially limited location; "she walked to a point where she could survey the whole street" a brief version of the essential meaning of something; "get to the point"; "he missed the point of the joke"; "life has lost its point" degree: a specific identifiable position in a continuum or series or especially in a process; "a remarkable degree of frankness"; "at what stage are the social sciences?" detail: an isolated fact that is considered separately from the whole; "several of the details are similar"; "a point of information" an instant of time; "at that point I had to leave" the object of an activity; "what is the point of discussing it?" a V shape; "the cannibal's teeth were filed to sharp points" a very small circular shape; "a row of points"; "draw lines between the dots" the unit of counting in scoring a game or contest; "he scored 20 points in the first half"; "a touchdown counts 6 points" a promontory extending out into a large body of water; "they sailed south around the point" item: a distinct part that can be specified separately in a group of things that could be enumerated on a list; "he noticed an item in the New York Times"; "she had several items on her shopping list"; "the main point on the agenda was taken up first" indicate: indicate a place, direction, person, or thing; either spatially or figuratively; "I showed the customer the glove section"; "He pointed to the empty parking space"; "he indicated his opponents" a style in speech or writing that arrests attention and has a penetrating or convincing quality or effect orient: be oriented; "The weather vane points North"; "the dancers toes pointed outward" an outstanding characteristic; "his acting was one of the high points of the movie" charge: direct into a position for use; "point a gun"; "He charged his weapon at me" steer: direct the course; determine the direction of travelling sharp end; "he stuck the point of the knife into a tree"; "he broke the point of his pencil" compass point: any of 32 horizontal directions indicated on the card of a compass; "he checked the point on his compass" bespeak: be a signal for or a symptom of; "These symptoms indicate a serious illness"; "Her behavior points to a severe neurosis"; "The economic indicators signal that the euro is undervalued" a linear unit used to measure the size of type; approximately 1/72 inch luff: sail close to the wind period: a punctuation mark (.) placed at the end of a declarative sentence to indicate a full stop or after abbreviations; "in England they call a period a stop" mark (Hebrew words) with diacritics a V-shaped mark at one end of an arrow pointer; "the point of the arrow was due north" mark with diacritics; "point the letter" mark (a psalm text) to indicate the points at which the music changes the property of a shape that tapers to a sharp tip a distinguishing or individuating characteristic; "he knows my bad points as well as my good points" be positionable in a specified manner; "The gun points with ease" the gun muzzle's direction; "he held me up at the point of a gun" target: intend (something) to move towards a certain goal; "He aimed his fists towards his opponent's face"; "criticism directed at her superior"; "direct your anger towards others, not towards yourself" sharpen: give a point to; "The candles are tapered" a wall socket repair the joints of bricks; "point a chimney" distributor point: a contact in the distributor; as the rotor turns its projecting arm contacts them and current flows to the spark plugs
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| point of entry |
port of entry: a port in the United States where customs officials are stationed to oversee the entry and exit of people and merchandise
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| POI | an isolated fact that is considered separately from the whole |
|---|---|
| POI | a geometric element that has position but no extension |
| POI | the object of an activity |
| POI | a distinct part that can be specified separately in a group of things that could be enumerated on a list |
| POI | a brief version of the essential meaning of something |
| POI | a V-shaped mark at one end of an arrow pointer |
| POI | a punctuation mark (.) placed at the end of a declarative sentence to indicate a full stop or after abbreviations |
| POI | the precise location of something |
| POI | a promontory extending out into a large body of water |
| POI | the unit of counting in scoring a game or contest |
| POI | a linear unit used to measure the size of type |
| POI | a style in speech or writing that arrests attention and has a penetrating or convincing quality or effect |