focuser

fo·cus

F f

Transcription

- US Pronunciation
- US IPA
- [foh-kuh s]
- /ˈfoʊ kəs/

- US Pronunciation
- US IPA
- [foh-kuh s]
- /ˈfoʊ kəs/

Definitions of focuser word

noun plural focuser a central point, as of attraction, attention, or activity: The need to prevent a nuclear war became the focus of all diplomatic efforts. 1
noun plural focuser Physics. a point at which rays of light, heat, or other radiation meet after being refracted or reflected. 1
noun plural focuser Optics. the focal point of a lens, on which rays converge or from which they deviate. the focal length of a lens; the distance from a focal point to a corresponding principal plane. the clear and sharply defined condition of an image. the position of a viewed object or the adjustment of an optical device necessary to produce a clear image: in focus; out of focus. 1
noun plural focuser Geometry. (of a conic section) a point having the property that the distances from any point on a curve to it and to a fixed line have a constant ratio for all points on the curve. 1
noun plural focuser Geology. the point of origin of an earthquake. 1
noun plural focuser Pathology. the primary center from which a disease develops or in which it localizes. 1

See all 11 definitions of focuser

Information block about the term

Origin of focuser

First appearance:

before 1635

One of the 43% oldest English words

1635-45; < Latin: fireplace, hearth

Historical Comparancy

Parts of speech for Focuser

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

Full grammatical hierarchy of Focuser

focuser popularity

A common word. It’s meaning is known to most children of preschool age. About 97% of English native speakers know the meaning and use the word.

According to our data about 53% of words is more used. This is a rare but used term. It occurs in the pages of specialized literature and in the speech of educated people.

focuser usage trend in Literature

This diagram is provided by Google Ngram Viewer