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单词 focal
释义

Definition of focal in English:

focal

adjective ˈfəʊk(ə)lˈfoʊk(ə)l
  • 1Relating to the centre or most important part.

    the focal symbol of sovereignty is the crown
    Example sentencesExamples
    • The headlight also has a convergent lens which is focused in the vicinity of the second focal region so as to project this light patch on the road.
    • But we do intend to put something back that we can all be proud of to make a new focal centre of the village again.
    • The third plot while without a central focal character is the most important thread: the coming of the Second Boxer Rebellion in China.
    • We focused our analysis on a focal population receiving migrants from an infinitely large number of populations.
    • Perhaps more important, excitation and photobleaching are limited to the focal region.
    • A focal outlet would also be set up in the Board for exploring the export possibilities for khadi products, adds Mr. Nandakumar.
    • At the 2002 World Cup he was focal to England's strategies.
    • The statement will acknowledge that the retail industry is changing and will stress the need for suitable locations to be found for large focal retailers.
    • They have a new, contemporary edge and are being used as accents or on single focal walls in a room.
    • With this idea of perpetual motivation, the Internet has become the focal source/medium of the research.
    • For comprehensive understanding, it is important to have focal and subsidiary awareness of ethical dilemmas.
    • Combinations of these types, such as oblique faulting, are depicted by variations of these principal types of focal mechanisms.
    • In the Maldives, the sea is the focal attraction - a perfect narrow crescent of a beach lapped by the lagoon-like Indian Ocean.
    • Hence, we repeated our analysis, splitting our data into whether the focal bird was dominant or subordinate.
    • But a better organizing principle - some kind of narrative or focal story, numbered points, whatever - would help us remember more.
    • Radical challengers have a hard time appearing inevitable or focal.
    • Dubey cuts the figures at the edges and at unusual angles to create focal interest in the compositions.
    • We performed region of interest analysis in two focal brain areas: the hippocampus and the temporal lobes.
    • The focal theme this time was ‘strategies for drought management and alternate cropping system in canal areas’.
    • To date, most of the work in this area has focused on repurchase intentions as the focal dependent variable.
    Synonyms
    important, main, principal, major, chief, primary, notable, noteworthy, outstanding, arresting, conspicuous, striking, noticeable, obvious, remarkable, signal, prominent, pronounced, predominant, dominant, key, crucial, vital, essential, basic, staple, critical, pivotal, prime, central, paramount
  • 2Optics
    Relating to the focus of a lens.

    Example sentencesExamples
    • Such focal adjustability may not be available in phakic lenses for at least four years.
    • Huygens discovered the law of refraction to derive the focal distances of lenses.
    • There are now Bifocal lenses, a type of contact lens design that includes two focal areas: one for near, one for distance.
    • Meduna identified six patients with focal seizures in whom the brain focus was surgically excised.
    • Residual longitudinal chromatic aberration introduces a focal shift for any wavelength variation.
  • 3(of a disease or medical condition) occurring in one particular site in the body.

    Example sentencesExamples
    • In 141 autopsies of people without focal neurological disease, 57 probably had Alzheimer's disease.
    • Cranial vasculitis may lead to focal neurologic deficits.
    • If CAV is present, then options such as coronary interventions may be used, depending on whether focal disease is present.
    • The laryngeal inlet showed chronic inflammatory changes and the tongue showed focal congestion and mild inflammatory changes.
    • Lung involvement ranges from fleeting focal infiltrates or interstitial disease to massive pulmonary hemorrhagic alveolar capillaritis.

Derivatives

  • focally

  • adverb
    • Grossly, the surgical specimen consisted of a 4.0 x 3.5 X 3.2-cm irregular, firm, tan, focally hemorrhagic mass.
      Example sentencesExamples
      • The triton tumor was focally positive with $100.
      • Similar changes were seen focally in only 1 indexed patient.
      • Histologically, the blastomous tumor cells were present in diffuse sheets, which focally formed malignant cartilage.
      • The mitotic activity was focally brisk, with an average of 8 to 10 mitoses per highpower field in these areas.

Origin

Late 17th century: from modern Latin focalis, from Latin focus, or directly from focus.

Rhymes

bifocal, local, univocal, varifocal, vocal, yokel
 
 

Definition of focal in US English:

focal

adjectiveˈfoʊk(ə)lˈfōk(ə)l
  • 1Relating to the center or main point of interest.

    tapestries in which birds or animals provide the focal interest
    Example sentencesExamples
    • Radical challengers have a hard time appearing inevitable or focal.
    • We performed region of interest analysis in two focal brain areas: the hippocampus and the temporal lobes.
    • They have a new, contemporary edge and are being used as accents or on single focal walls in a room.
    • But we do intend to put something back that we can all be proud of to make a new focal centre of the village again.
    • Hence, we repeated our analysis, splitting our data into whether the focal bird was dominant or subordinate.
    • The third plot while without a central focal character is the most important thread: the coming of the Second Boxer Rebellion in China.
    • Dubey cuts the figures at the edges and at unusual angles to create focal interest in the compositions.
    • For comprehensive understanding, it is important to have focal and subsidiary awareness of ethical dilemmas.
    • The focal theme this time was ‘strategies for drought management and alternate cropping system in canal areas’.
    • With this idea of perpetual motivation, the Internet has become the focal source/medium of the research.
    • The statement will acknowledge that the retail industry is changing and will stress the need for suitable locations to be found for large focal retailers.
    • A focal outlet would also be set up in the Board for exploring the export possibilities for khadi products, adds Mr. Nandakumar.
    • Combinations of these types, such as oblique faulting, are depicted by variations of these principal types of focal mechanisms.
    • The headlight also has a convergent lens which is focused in the vicinity of the second focal region so as to project this light patch on the road.
    • In the Maldives, the sea is the focal attraction - a perfect narrow crescent of a beach lapped by the lagoon-like Indian Ocean.
    • Perhaps more important, excitation and photobleaching are limited to the focal region.
    • To date, most of the work in this area has focused on repurchase intentions as the focal dependent variable.
    • At the 2002 World Cup he was focal to England's strategies.
    • We focused our analysis on a focal population receiving migrants from an infinitely large number of populations.
    • But a better organizing principle - some kind of narrative or focal story, numbered points, whatever - would help us remember more.
    Synonyms
    important, main, principal, major, chief, primary, notable, noteworthy, outstanding, arresting, conspicuous, striking, noticeable, obvious, remarkable, signal, prominent, pronounced, predominant, dominant, key, crucial, vital, essential, basic, staple, critical, pivotal, prime, central, paramount
    1. 1.1Optics Relating to the focus of a lens.
      Example sentencesExamples
      • Huygens discovered the law of refraction to derive the focal distances of lenses.
      • Meduna identified six patients with focal seizures in whom the brain focus was surgically excised.
      • Such focal adjustability may not be available in phakic lenses for at least four years.
      • Residual longitudinal chromatic aberration introduces a focal shift for any wavelength variation.
      • There are now Bifocal lenses, a type of contact lens design that includes two focal areas: one for near, one for distance.
    2. 1.2 (of a disease or medical condition) occurring in one particular site in the body.
      Example sentencesExamples
      • Lung involvement ranges from fleeting focal infiltrates or interstitial disease to massive pulmonary hemorrhagic alveolar capillaritis.
      • In 141 autopsies of people without focal neurological disease, 57 probably had Alzheimer's disease.
      • The laryngeal inlet showed chronic inflammatory changes and the tongue showed focal congestion and mild inflammatory changes.
      • If CAV is present, then options such as coronary interventions may be used, depending on whether focal disease is present.
      • Cranial vasculitis may lead to focal neurologic deficits.

Origin

Late 17th century: from modern Latin focalis, from Latin focus, or directly from focus.

 
 
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更新时间:2024/9/20 21:39:31