focal

1. Of or relating to a focus.
2. Placed at or measured from a focus.

1. limited to a small area or volume.
2. pertaining to or emanating from focus.

• f. distance — see focal–film distance.
• f. length — the distance between the lens and an object from which all rays of light are brought to a focus.
• f. liver disease — widely disseminated micro-abscesses or abscesses, migration paths of helminth larvae.
• f. macular melanosis — dark colored spots on the skin, not elevated above the skin surface but apt to be confused with melanosis.
• f. myelitis–encephalitis — widely disseminated inflammatory lesions, usually the result of blood-borne infection, in brain and spinal cord.
• f. symmetrical encephalomalacia — see focal symmetrical encephalomalacia.
• f. symmetrical spinal poliomalacia — see focal symmetrical spinal poliomalacia.
• f. ulcerative dermatitis — manifest by ulcers in the unfeathered anterior breast skin of 4 to 5 months old male turkeys. The incidence is influenced by litter type. Called also breast buttons.
• f. zone — in ultrasound, the area of the transducer where the sound beam is most sharply focussed and where the area under examination will give the best image.

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Dansk (Danish)
adj. - fokal

idioms:

• focal length    brændvidde, fokaldistance
• focal plane    billedplan
• focal point    brændpunkt

Nederlands (Dutch)
betreffende het brandpunt

Français (French)
adj. - focal

idioms:

• focal length    distance focale
• focal plane    plan focal
• focal point    (Opt) foyer, point de convergence, (fig) point central

Deutsch (German)
adj. - Brennpunkt-, Brenn-

idioms:

• focal length    Brennweite
• focal plane    Brennebene
• focal point    Brennpunkt, Fokus

Ελληνική (Greek)
adj. - (οπτ., μτφ.) εστιακός

idioms:

• focal length    (οπτ.) εστιακή απόσταση
• focal plane    εστιακό επίπεδο
• focal point    (οπτ.) εστία, (μτφ.) επίκεντρο (ενδιαφέροντος, ενέργειας)

Italiano (Italian)
focale

idioms:

• focal length    distanza focale
• focal plane    piano focale
• focal point    fuoco

Português (Portuguese)
adj. - focal

idioms:

• focal length    distância (f) focal (Ópt.)
• focal plane    plano (m) focal (Ópt.)
• focal point    foco (m)

Русский (Russian)
фокальный, фокусный

idioms:

• focal length    фокусное расстояние
• focal plane    фокальная плоскость
• focal point    основной вопрос

Español (Spanish)
adj. - focal

idioms:

• focal length    distancia focal
• focal plane    plano focal
• focal point    foco, punto focal

Svenska (Swedish)
adj. - fokal-

中文（简体）(Chinese (Simplified))
焦点的, 在焦点上的

idioms:

• focal length    焦距
• focal plane    焦面, 聚焦平面
• focal point    焦点

中文（繁體）(Chinese (Traditional))
adj. - 焦點的, 在焦點上的

idioms:

• focal length    焦距
• focal plane    焦面, 聚焦平面
• focal point    焦點

한국어 (Korean)
adj. - 초점상의, 초점을 연결하는

日本語 (Japanese)
adj. - 焦点の

idioms:

• focal length    焦点距離
• focal plane    焦平面
• focal point    焦点, 中心

العربيه (Arabic)
‏(صفه) بؤري‏

עברית (Hebrew)
adj. - ‮של מוקד, מוקדי‬

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