最新 人气 评论 赞 踩
Phosphorus
n.
24   0   0   0
Hence, any substance which shines in the dark like phosphorus, as certain phosphorescent bodies.
Phosphoryl
n.
22   0   0   0
The radical PO, regarded as the typical nucleus of certain compounds.
Phosphuret
n.
24   0   0   0
A phosphide.
Phosphureted
a.
24   0   0   0
Impregnated, or combined, with phosphorus.
Photics
n.
47   0   0   0
The science of light; -- a general term sometimes employed when optics is restricted to light as a producing vision.
Photos
pl.
55   0   0   0
of Photo
Photo
n.
27   0   0   0
A contraction of Photograph.
Photo-
26   0   0   0
A combining form from Gr. fw^s, fwto`s, light; as, photography, phototype, photometer.
Photobiotic
a.
27   0   0   0
Requiring light to live; incapable of living without light; as, photobiotic plant cells.
Photochemical
a.
27   0   0   0
Of or pertaining to chemical action of light, or produced by it; as, the photochemical changes of the visual purple of the retina.
Photochemistry
n.
26   0   0   0
The branch of chemistry which relates to the effect of light in producing chemical changes, as in photography.
Photochromic
a.
27   0   0   0
Alt. of Photochromatic
Photochromatic
a.
25   0   0   0
Of or pertaining to photochromy; produced by photochromy.
Photochromy
n.
27   0   0   0
The art or process of reproducing colors by photography.
Photodrome
n.
25   0   0   0
An apparatus consisting of a large wheel with spokes, which when turning very rapidly is illuminated by momentary flashes of light passing through slits in a rotating disk. By properly timing the succession of flashes the wheel is made to appear to be motionless, or to rotate more or less slowly in either direction.
Photo-electric
a.
24   0   0   0
Acting by the operation of both light and electricity; -- said of apparatus for producing pictures by electric light.
Photo-electrotype
n.
25   0   0   0
An electrotype plate formed in a mold made by photographing on prepared gelatine, etc.
Photo-engraving
n.
24   0   0   0
The process of obtaining an etched or engraved plate from the photographic image, to be used in printing; also, a picture produced by such a process.
Photo-epinasty
n.
23   0   0   0
A disproportionately rapid growth of the upper surface of dorsiventral organs, such as leaves, through the stimulus of exposure to light.
Photogalvanography
n.
23   0   0   0
The art or process of making photo-electrotypes.
Photogen
n.
29   0   0   0
A light hydrocarbon oil resembling kerosene. It is obtained by distilling coal, paraffin, etc., and is used as a lubricant, illuminant, etc.
Photogene
n.
28   0   0   0
A photograph.
Photogene
n.
30   0   0   0
A more or less continued impression or image on the retina.
Photogenic
a.
32   0   0   0
Of or pertaining to photogeny; producing or generating light.
Photogeny
n.
34   0   0   0
See Photography.
Photoglyphic
a.
32   0   0   0
Pertaining to the art of engraving by the action of light.
Photoglyphy
n.
28   0   0   0
Photoglyphic engraving. See under Photoglyphic.
Photoglyptic
a.
36   0   0   0
Same as Photoglyphic.
Photogram
n.
33   0   0   0
A photograph.
Photograph
n.
34   0   0   0
A picture or likeness obtained by photography.