photobeam

As nouns the difference between terms and photobeam

is that terms is while photobeam is a beam of light whose interruption triggers a warning or a mechanism (such as a door).

As nouns the difference between mechanism and photobeam

is that mechanism is within a machine or machinery; any mechanical means for the conversion or control of motion, or the transmission or control of power while photobeam is a beam of light whose interruption triggers a warning or a mechanism (such as a door).

As nouns the difference between warning and photobeam

is that warning is the action of the verb warn; an instance of warning someone while photobeam is a beam of light whose interruption triggers a warning or a mechanism (such as a door).

As a verb warning

is .

As an interjection warning

is used to warn of danger in signs and notices.

As nouns the difference between interruption and photobeam

is that interruption is the act of interrupting, or the state of being interrupted while photobeam is a beam of light whose interruption triggers a warning or a mechanism (such as a door).

As nouns the difference between light and photobeam

is that light is the natural medium emanating from the Sun and other very hot sources (now recognised as electromagnetic radiation with a wavelength of 400-750 nm), within which vision is possible while photobeam is a beam of light whose interruption triggers a warning or a mechanism (such as a door.

As a verb light

is to start (a fire).

As an adjective light

is having light.

As an adverb light

is carrying little.

As a proper noun Light

is {{surname|lang=en}.

As nouns the difference between beam and photobeam

is that beam is any large piece of timber or iron long in proportion to its thickness, and prepared for use while photobeam is a beam of light whose interruption triggers a warning or a mechanism (such as a door).

As a verb beam

is (ambitransitive) to emit beams of light; shine; radiate.