All English words - page 4184

The bodily movement of a motile organism in response to light, either towards the source of light ( positive phototaxis ) or away from it ( negative phototaxis ).

An apparatus for phototelegraphy.

Of or relating to the telegraphic transmission of images.

The telegraphic transmission of pictures; specifically facsimile telegraphy in which variations of tone are preserved.

Telephony in which the signal is transmitted by modulating light waves.

A theodolite incorporating a camera.

Of or relating to phototherapy.

Phototherapy.

The use of light in the treatment of physical or mental illness.

Relating to both light and heat; relating to the production of heat by or with light.

A photoelectric timer for regulating exposure time in radiography.

Relating to, of the nature of, or exhibiting phototonus.

Of, relating to, or using phototopography.

= phototopographic .

The use of photography in topographic surveying; photogrammetry.

A transistor that responds to light striking it by generating and amplifying an electric current.

A phototropic substance or organism.

An organism that uses energy from sunlight to synthesize organic compounds for nutrition.

(of an organism) obtaining energy from sunlight to synthesize organic compounds for nutrition.

Microbial nutrition utilizing light as the chief source of energy.

The orientation of a plant or other organism in response to light, either towards the source of light ( positive phototropism ) or away from it ( negative phototropism ).

= "phototropism".

A photocell in the form of an electron tube with a photoemissive cathode.

A printing plate or block produced by a photographic process (as photosetting). also: the process by which such a plate is produced; a picture, etc., printed from it. formerly also: †a kind of carbon printing process invented by m. joubert (obsolete).

A machine for filmsetting.