โฟกัส, จุดโฟกัส, จุดรวมของรังสีขนานของแสงที่เกิดการหักเหเมื่อผ่านเลนส์ หรือเกิดการสะท้อนของรังสีขนานของแสงเมื่อตกกระทบกระจกโค้ง [พจนานุกรมศัพท์ สสวท.]

Glasses, Bifocal

เลนซ์นูน 2 คู่ [การแพทย์]

Glomerulonephritis, Focal

การอักเสบของกลอมเมอรูลัสเฉพาะที่ [การแพทย์]

Lenses, Bifocal

แว่นสองชั้น [การแพทย์]

Lesions, Expanding Focal, Acute

รอยโรคที่ขยายอย่างรวดเร็วทันทีทันใด [การแพทย์]

Lesions, Focal

โฟคอลลีชั่น, ความผิดปกติของสมองเฉพาะแห่ง, พยาธิสภาพเฉพาะที่ [การแพทย์]

Leukoencephalopathy, Multifocal

มัลติโฟคาลลิวโกเอนเซฟาโลพาธี [การแพทย์]

Multifocal Diseases

โรคที่เกิดในหลายตำแหน่ง [การแพทย์]

Thai-English: NECTEC's Lexitron-2 Dictionary [with local updates] NECTEC Lexitron-2 Dictionary (TH-EN)

จุดโฟกัส

(n) focus, See Also: focal point, Unit:จุด, Thai Definition:จุดที่แนวแสงลู่เข้าทั้งหมดไปตัดกัน หรือจุดที่แนวแสงลู่ออกทั้งหมดต่อย้อนหลังไปตัดกัน

มา

(adv) coming (toward the present; or toward the focal time), Example:แหวนวงนี้เป็นมรดกสืบทอดต่อกันมาถึงรุ่นลูกรุ่นหลาน, Thai Definition:ใช้ประกอบคำกริยา หมายถึงอาการที่ต่อเนื่องเรื่อยมาถึงปัจจุบันหรือสู่จุดหมาย

Thai-English-French: Volubilis Dictionary 1.0 Volubilis Dictionary (TH-EN-FR)

ให้ความสนใจกับ ...

[hai khwām sonjai kap …] (v, exp) EN: pay attention ; target ... ; focus on ... ; zero in on ... FR: se préocupper de ... ; viser ... ; se focaliser sur ... ; accorder de l'intérêt à ... ; montrer de l'intérêt pour ...

จุดโฟกัส

[jut fōkat] (n, exp) EN: focus FR: point focal [ m ]

จุดรวม

[jut rūam] (n, exp) EN: center ; hub ; middle point ; focal point ; focus FR: point focal [ m ]

จุดศูนย์กลาง

[jutsūnklāng] (n) EN: centre = center (Am.) ; middle point ; hub ; center FR: centre [ m ] ; point focal [ m ]

มุ่ง

[mung] (v) EN: be bound for ; intend ; aim at ; advance towards ; go to ; target FR: viser ; se focaliser sur ; se diriger vers ; tendre vers ; se destiner à

CMU English Pronouncing Dictionary Dictionary [with local updates] CMU Pronouncing Dictionary

focal

/F OW1 K AH0 L/ /โฟ้ว เขิ่ล/

bifocal

/B AY1 F OW0 K AH0 L/ /บ๊าย โฝ่ว เขิ่ล/

bifocals

/B AY1 F OW0 K AH0 L Z/ /บ๊าย โฝ่ว เขิ่ล สึ/

Oxford Advanced Learners Dictionary (pronunciation guide only) Oxford Advanced Learners Dictionary

focal

(adj) /fˈoukl/ /โฟว ขึ ล/ /f ou1 k l/

bifocal

(adj) /bˌaɪfˈoukl/ /บาย โฟ้ว ขึ ล/ /b ai2 f ou1 k l/

bifocals

(n,(count)) /bˌaɪfˈouklz/ /บาย โฟ้ว ขึลึ สึ/ /b ai2 f ou1 k l z/

WordNet (3.0) WordNet (3.0)

bifocal

(adj) having two foci, Example:bifocal eyeglasses

bifocals

(n) eyeglasses having two focal lengths, one for near vision and the other for far vision

focal

(adj) having or localized centrally at a focus, Example:focal point; focal infection

focal

(adj) of or relating to a focus, Example:focal length

focal distance

(n) the distance from a lens to its focus, Syn. focal length

focal infection

(n) bacterial infection limited to a specific organ or region especially one causing symptoms elsewhere

focalization

(n) the confinement of an infection to a limited area, Syn. focalisation

focalization

(n) the act of bringing into focus, Syn. focusing, focalisation

focally

(adv) in a focal manner, Example:the submucosa was focally infiltrated

focal ratio

(n) the ratio of the focal length to the diameter of a (camera) lens system, Syn. stop number, speed, f number

focal seizure

(n) transitory disturbance in motor or sensory function resulting from abnormal cortical activity

hyperfocal distance

(n) the distance in front of a lens that is focused at infinity beyond which all objects are well defined and clear

monofocal lens implant

(n) a lens with a single focus that is used after cataract surgery to provide clear distance vision, Syn. monofocal IOL

multifocal lens implant

(n) a type of lens implant that contains several rings with a common center and adjusts for near or far vision; the eye is in focus for near and far vision simultaneously, Syn. multifocal IOL

concenter

(v) bring into focus or alignment; to converge or cause to converge; of ideas or emotions, Syn. focalise, focalize, concentre, focus

cortical epilepsy

(n) epilepsy in which the attacks begins with an isolated disturbance of cerebral function (as a twitching of a limb or an illusory sensation or a mental disturbance), Syn. focal epilepsy

focus

(n) the concentration of attention or energy on something, Syn. focussing, focusing, direction, centering, focal point, Example:the focus of activity shifted to molecular biology; he had no direction in his life

focus

(n) a central point or locus of an infection in an organism, Syn. focal point, nidus, Example:the focus of infection

focus

(n) a point of convergence of light (or other radiation) or a point from which it diverges, Syn. focal point

focus

(v) become focussed or come into focus, Syn. focalise, focalize, Ant. blur, Example:The light focused

focus

(v) put (an image) into focus, See Also: focus on, Syn. focalise, focalize, sharpen, Ant. blur, Example:Please focus the image; we cannot enjoy the movie

localize

(v) concentrate on a particular place or spot, Syn. localise, focalise, focalize, Example:The infection has localized in the left eye

The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)

Bifocal

a. [ Pref. bi-+ focal. ] Having two foci, as some spectacle lenses. [ Webster 1913 Suppl. ]

Bifocal

n. [ Pref. bi-+ focal. ] a bifocal lens. [ PJC ]

Bifocals

n. pl. [ Pref. bi-+ focal. ] eyeglasses whose lenses have two foci, allowing the wearer to see both far and nearby objects clearly. The lenses are partitioned horizontally, the upper and lower parts having different focal lengths. [ PJC ]

Confocal

a. (Math.) Having the same foci; as, confocal quadrics. [ 1913 Webster ]

Focal

a. [ Cf. F. focal. See Focus. ] Belonging to, or concerning, a focus; as, a focal point. [ 1913 Webster ]

Focal distance, or length, of a lens or mirror (Opt.), the distance of the focus from the surface of the lens or mirror, or more exactly, in the case of a lens, from its optical center. --
Focal distance of a telescope, the distance of the image of an object from the object glass. [ 1913 Webster ]

Focalization

n. The act of focalizing or bringing to a focus, or the state of being focalized. [ 1913 Webster ]

Focalize

v. t. [ imp. & p. p. Focalized p. pr. & vb. n. Focalizing ] To bring to a focus; to focus; to concentrate. [ 1913 Webster ]

Light is focalized in the eye, sound in the ear. De Quincey. [ 1913 Webster ]

Parfocal

a. [ Pari- + focal. ] (Opt.) With the lower focal points all in the same plane; -- said of sets of eyepieces so mounted that they may be interchanged without varying the focus of the instrument (as a microscope or telescope) with which they are used. “the convenience of a microscope with parfocal objective lenses” [ Webster 1913 Suppl. ]

Chinese-English: CC-CEDICT Dictionary CC-CEDICT CN-EN Dictionary

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