photomontage
— Noun
– English
～ a montage that uses photographic images
photomosaic
— Noun
– English
～ arrangement of aerial photographs forming a composite picture
photon
— Noun
– English
～ a quantum of electromagnetic radiation; an elementary particle that is its own antiparticle
photophobia
— Noun
– English
～ a morbid fear of light
photophobia
— Noun
– English
～ pain in the eye resulting from exposure to bright light (often associated with albinism)
photopigment
— Noun
– English
～ a special pigment found in the rods and cones of the retina
photoplate making
— Noun
– English
～ the process whereby printing surfaces (plates or cylinders) are produced by photographic methods; "photomechanics revolutionized the practice of printing"
photoretinitis
— Noun
– English
～ damage to the retina resulting from exposure of the eye to the sun without adequate protection
photosensitivity
— Noun
– English
～ sensitivity to the action of radiant energy
photosphere
— Noun
– English
～ the intensely luminous surface of a star (especially the sun)
Photostat
— Noun
– English
～ a duplicating machine that makes quick positive or negative copies directly on the surface of prepared paper
photostat
— Noun
– English
～ a photocopy made on a Photostat machine
Photostat machine
— Noun
– English
～ a duplicating machine that makes quick positive or negative copies directly on the surface of prepared paper
photosynthesis
— Noun
– English
～ synthesis of compounds with the aid of radiant energy (especially in plants)
phototherapy
— Noun
– English
～ the use of strong light to treat acne or hyperbilirubinemia of the newborn
phototrophic bacteria
— Noun
– English
～ green and purple bacteria; energy for growth is derived from sunlight; carbon is derived from carbon dioxide or organic carbon
phototropic bacteria
— Noun
– English
～ green and purple bacteria; energy for growth is derived from sunlight; carbon is derived from carbon dioxide or organic carbon
phototropism
— Noun
– English
～ an orienting response to light
photovoltaic cell
— Noun
– English
～ a cell that converts solar energy into electrical energy