DPage 180
- English Word Dioecia Definition A Linnaean class of plants having the stamens and pistils on different plants.
- English Word Dioecia Definition A subclass of gastropod mollusks in which the sexes are separate. It includes most of the large marine species, like the conchs, cones, and cowries.
- English Word Dioecian Definition Alt. of Dioecious
- English Word Dioecious Definition Having the sexes in two separate individuals; -- applied to plants in which the female flowers occur on one individual and the male flowers on another of the same species, and to animals in which the ovum is produced by one individual and the sperm cell by another; -- opposed to monoecious.
- English Word Dioeciously Definition In a dioecious manner.
- English Word Dioeciousness Definition The state or quality of being dioecious.
- English Word Dioecism Definition The condition of being dioecious.
- English Word Diogenes Definition A Greek Cynic philosopher (412?-323 B. C.) who lived much in Athens and was distinguished for contempt of the common aims and conditions of life, and for sharp, caustic sayings.
- English Word Dioicous Definition See Dioecious.
- English Word Diomedea Definition A genus of large sea birds, including the albatross. See Albatross.
- English Word Dionaea Definition An insectivorous plant. See Venus's flytrap.
- English Word Dionysian Definition Relating to Dionysius, a monk of the 6th century; as, the Dionysian, or Christian, era.
- English Word Diophantine Definition Originated or taught by Diophantus, the Greek writer on algebra.
- English Word Diopside Definition A crystallized variety of pyroxene, of a clear, grayish green color; mussite.
- English Word Dioptase Definition A hydrous silicate of copper, occurring in emerald-green crystals.
- English Word Diopter Definition Alt. of Dioptra
- English Word Dioptra Definition An optical instrument, invented by Hipparchus, for taking altitudes, leveling, etc.
- English Word Dioptre Definition A unit employed by oculists in numbering glasses according to the metric system; a refractive power equal to that of a glass whose principal focal distance is one meter.
- English Word Dioptric Definition Of or pertaining to the dioptre, or to the metric system of numbering glasses.
- English Word Dioptric Definition A dioptre. See Dioptre.
- English Word Dioptric Definition Alt. of Dioptrical
- English Word Dioptrical Definition Of or pertaining to dioptrics; assisting vision by means of the refraction of light; refractive; as, the dioptric system; a dioptric glass or telescope.
- English Word Dioptrics Definition The science of the refraction of light; that part of geometrical optics which treats of the laws of the refraction of light in passing from one medium into another, or through different mediums, as air, water, or glass, and esp. through different lenses; -- distinguished from catoptrics, which refers to reflected light.
- English Word Dioptry Definition A dioptre.
- English Word Diorama Definition A mode of scenic representation, invented by Daguerre and Bouton, in which a painting is seen from a distance through a large opening. By a combination of transparent and opaque painting, and of transmitted and reflected light, and by contrivances such as screens and shutters, much diversity of scenic effect is produced.
- English Word Diorama Definition A building used for such an exhibition.
- English Word Dioramic Definition Pertaining to a diorama.
- English Word Diorism Definition Definition; logical direction.
- English Word Dioristic Definition Distinguishing; distinctive; defining.
- English Word Diorite Definition An igneous, crystalline in structure, consisting essentially of a triclinic feldspar and hornblende. It includes part of what was called greenstone.