different between backsight vs backlight

backsight

English

Etymology

back +? sight

Noun

backsight (plural backsights)

The rear sight of a firearm.
(surveying) A measurement or reading taken back towards a point of known elevation, used to calculate the height of the surveying instrument (theodolite, transit, total station).
(surveying) A measurement of a previously shot point, used to set the angle to zero when occupying a new position.

Verb

backsight (third-person singular simple present backsights, present participle backsighting, simple past and past participle backsighted)

(surveying) To shoot a backsight.

backsight From the web:

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backlight

English

Etymology

back +? light

Pronunciation

IPA^(key): /?bæk.la?t/

Noun

backlight (plural backlights)

(countable) A spotlight that illuminates a photographic subject from behind.
(uncountable) Light that is behind a photographic subject.
(countable) A light attached to an LCD display.
(countable) The rear window of a motor car.

Translations

Verb

backlight (third-person singular simple present backlights, present participle backlighting, simple past and past participle backlighted or backlit)

(transitive) To illuminate something from behind.

Translations

backlight From the web:

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Send

different between backsight vs backlight

backsight

English

Etymology

Noun

Verb

See also

backsight From the web:

backlight

English

Etymology

Pronunciation

Noun

Translations

Verb

Translations

backlight From the web:

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