Autochronograph :: Autochronograph (n.) An instrument for the instantaneous self-recording or printing of time.
Autochthon :: Autochthon (n.) One who is supposed to rise or spring from the ground or the soil he inhabits; one of the original inhabitants or aborigines; a native; -- commonly in the plural. This title was assumed by the ancient Greeks, particularly the Athenians..
Autochthon :: Autochthon (n.) That which is original to a particular country, or which had there its origin..
Autochthony :: Autochthony (n.) An aboriginal or autochthonous condition.
Brachystochrone :: Brachystochrone (n.) A curve, in which a body, starting from a given point, and descending solely by the force of gravity, will reach another given point in a shorter time than it could by any other path. This curve of quickest descent, as it is sometimes called, is, in a vacuum, the same as the cycloid..
Metoche :: Metoche (n.) The space between two dentils.
Metoche :: Metoche (n.) The space between two triglyphs.
Notochord :: Notochord (n.) An elastic cartilagelike rod which is developed beneath the medullary groove in the vertebrate embryo, and constitutes the primitive axial skeleton around which the centra of the vertebrae and the posterior part of the base of the skull are developed; the chorda dorsalis. See Illust. of Ectoderm..
Notochordal :: Notochordal (a.) Of or pertaining to the notochord; having a notochord.
Pantochronometer :: Pantochronometer (n.) An instrument combining a compass, sundial, and universal time dial..
Photochemical :: Photochemical (a.) Of or pertaining to chemical action of light, or produced by it; as, the photochemical changes of the visual purple of the retina..
Photochemistry :: Photochemistry (n.) The branch of chemistry which relates to the effect of light in producing chemical changes, as in photography..
Photochromatic :: Photochromatic (a.) Of or pertaining to photochromy; produced by photochromy.
Tautochrone :: Tautochrone (n.) A curved line, such that a heavy body, descending along it by the action of gravity, will always arrive at the lowest point in the same time, wherever in the curve it may begin to fall; as, an inverted cycloid with its base horizontal is a tautochrone..
Tautochronous :: Tautochronous (a.) Occupying the same time; pertaining to, or having the properties of, a tautochrone..
Tocher :: Tocher (n.) Dowry brought by a bride to her husband.