| obsession | <psychiatry> A recurrent, persistent thought, image or impulse that is unwanted and distressing (ego dystonic) and comes involuntarily to mind despite attempts to ignore or suppress it. Common obsessions involve thoughts of violence, contamination and self doubt. Origin: L. Obsessio (18 Nov 1997) |
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| obsessional neurosis | A psychological disorder with a pervasive pattern of inflexible perfectionism which begins by early adulthood as indicated by many of the following symptoms: an unattainable perfectionism with overly strict standards which often make it impossible to complete a task; preoccupation with details, rules, lists, order, organization, or scheduling to the extent that the major point of the activity is lost; unreasonable insistence that others submit to exactly his or her way of doing things; an unnecessary, excessive devotion to work and productivity to the exclusion of leisure activities and friendships; rumination to the point of indecisiveness; (6) overconscientiousness about matters of morality, ethics, or values; (7) restricted expression of affection; (8) lack of generosity in giving time, money, or gifts when no personal gain is likely to result; and (9) an inability to discard worn-out or worthless objects even when they have no sentimental value. Synonym: obsessional neurosis. (05 Mar 2000) |
| obsessive behaviour | Persistent, unwanted idea or impulse which is considered normal when it does not markedly interfere with mental processes or emotional adjustment. (12 Dec 1998) |
| obsessive personality | The personality of an individual whose overriding personal needs are manifested by a rigid, pervasive pattern of perfectionism and inflexibility, as he or she continually strives for clearly unattainable goals, to the point that such behaviour frequently interferes with the actual completion of tasks and projects. Synonym: obsessive personality. (05 Mar 2000) |
| obsessive-compulsive | A form of personality (or personality disorder) marked by obsessions and compulsions. (12 Dec 1998) |
| obsessive-compulsive disorder | An anxiety disorder characterised by recurrent, persistent obsessions or compulsions. Obsessions are the intrusive ideas, thoughts, or images that are experienced as senseless or repugnant. Compulsions are repetitive and seemingly purposeful behaviour which the individual generally recognises as senseless and from which the individual does not derive pleasure although it may provide a release from tension. (12 Dec 1998) |
| obsessive-compulsive neurosis | A disorder characterised by the persistent and repetitive intrusion of unwanted thoughts, urges, or actions that the individual is unable to prevent; the compulsive thoughts may consist of single words, ideas, or ruminations often perceived by the sufferer as nonsensical; the repetitive urges or actions vary from simple movements to complex rituals; anxiety or distress is the underlying emotion or drive state, and the ritualistic behaviour is a learned method of reducing the anxiety. Synonym: compulsive neurosis. (05 Mar 2000) |
| obsessive-compulsive personality | The personality of an individual whose overriding personal needs are manifested by a rigid, pervasive pattern of perfectionism and inflexibility, as he or she continually strives for clearly unattainable goals, to the point that such behaviour frequently interferes with the actual completion of tasks and projects. Synonym: obsessive personality. (05 Mar 2000) |
| obsessive-compulsive personality disorder | A psychological disorder with a pervasive pattern of inflexible perfectionism which begins by early adulthood as indicated by many of the following symptoms: an unattainable perfectionism with overly strict standards which often make it impossible to complete a task; preoccupation with details, rules, lists, order, organization, or scheduling to the extent that the major point of the activity is lost; unreasonable insistence that others submit to exactly his or her way of doing things; an unnecessary, excessive devotion to work and productivity to the exclusion of leisure activities and friendships; rumination to the point of indecisiveness; (6) overconscientiousness about matters of morality, ethics, or values; (7) restricted expression of affection; (8) lack of generosity in giving time, money, or gifts when no personal gain is likely to result; and (9) an inability to discard worn-out or worthless objects even when they have no sentimental value. Synonym: obsessional neurosis. (05 Mar 2000) |
| obsidian | <chemical> A kind of glass produced by volcanoes. It is usually of a black colour, and opaque, except in thin splinters. In a thin section it often exhibits a fluidal structure, marked by the arrangement of microlites in the lines of the flow of the molten mass. Origin: L. Obsidianus lapis, so named, according to Pliny, after one Obsidius, who discovered it in Ethiopia: cf.F. Obsidiane, obsidienne. The later editions of Pliny read Obsianus lapis, and Obsius, instead of Obsidianus lapis, and Obsidius. Source: Websters Dictionary (01 Mar 1998) |
| obsolescence | Falling into disuse; denoting the abolition of a function. Origin: L. Obsolesco, to grow out of use (05 Mar 2000) |
| obsolete | 1. No longer in use; gone into disuse; disused; neglected; as, an obsolete word; an obsolete statute; applied chiefly to words, writings, or observances. 2. <biology> Not very distinct; obscure; rudimental; imperfectly developed; abortive. Synonym: Ancient, antiquated, old-fashioned, antique, old, disused, neglected. See Ancient. Origin: L. Obsoletus, p.p. Of obsolescere. See Obsolescent. Source: Websters Dictionary (01 Mar 1998) |
| obsoleteness | 1. The state of being obsolete, or no longer used; a state of desuetude. 2. <biology> Indistinctness; want of development. Source: Websters Dictionary (01 Mar 1998) |
| obstacle | That which stands in the way, or opposes; anything that hinders progress; a hindrance; an obstruction, physical or moral. "If all obstacles were cut away. And that my path were even to the crown." (Shak) Synonym: Impediment, obstuction, hindrance, difficulty. See Impediment, and Obstruction. Origin: F, fr. L. Obstaculum, fr. Obstare to withstand, oppose; ob (see Ob-) + stare to stand. See Stand. And cf. Oust. Source: Websters Dictionary (01 Mar 1998) |
| obstacle sense | The ability, often found in the blind, to avoid objects without visual warning. (05 Mar 2000) |
| obligate |
compel: force or compel somebody to do something; "We compel all students to fill out this form" commit in order to fulfill an obligation; "obligate money" restricted to a particular condition of life; "an obligate anaerobe can survive only in the absence of OXYGen" oblige: bind by an obligation; cause to be indebted; "He's held by a contract"; "I'll hold you by your promise"
출처: wordnet.princeton.edu/perl/webwn
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| oblique |
any grammatical case other than the nominative slanting or inclined in direction or course or position--neither parallel nor perpendicular nor right-angled; "the oblique rays of the winter sun"; "acute and obtuse angles are oblique angles"; "the axis of an oblique cone is not perpendicular to its base" external oblique muscle: a diagonally arranged abdominal muscle on either side of the torso devious: indirect in departing from the accepted or proper way; misleading; "used devious means to achieve success"; "gave oblique answers to direct questions"; "oblique political maneuvers"
출처: wordnet.princeton.edu/perl/webwn
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| Ober's operation |
medial subtalar syndesmotomy for clubfoot.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| obliquus reflex |
stimulation of the skin below Poupart's ligament contracts a part of the external oblique muscle.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| obliterative inflammation |
inflammation of the lining membrane of a cavity or vessel, producing adhesions between the surfaces and consequent obliteration of the lumen.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| OB | an organism that cannot grow in the presence of oxygen |
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| OB | caused by law or conscience to follow a certain course |
| OB | the social force that binds you to your obligations and the courses of action demanded by that force |
| OB | a legal agreement specifying a payment or action and the penalty for failure to comply |
| OB | a personal relation in which one is indebted for a service or favor |
| OB | the state of being obligated to do or pay something |
| OB | relating or constituting or qualified to create a legal or financial obligation |
| OB | a part of the score that must be performed without change or omission |
| OB | a persistent but subordinate motif |
| OB | in a manner that cannot be evaded |
| OB | in an obligatory manner |
| OB | morally or legally constraining or binding |