Search the Dictionary

Direct fertilization in plants, as when the pollen fertilizing the ovules comes from the stamens of the same blossom; -- opposed to heterogamy.

Noting the system of crystallization which has three unequal axes at right angles to each other; trimetric. See Crystallization.

Having a thick tongue; --applied to a group of lizards (Pachyglossæ), including the iguanas and agamas.

sed figuratively. "To walk the studious cloister's pale." Milton. "Out of the pale of civilization." Macaulay.

A solid crystallizable fat, found abundantly in animals and in vegetables. It occurs mixed with stearin and olein in the fat of animal tissues, with olein and butyrin in butter, with olein in olive oil, etc. Chemically, it is a glyceride of palmitic acid, three molecules of palmitic acid being united to one molecule of…

of developing without the intervention of the male element; the production, without fertilization, of cells capable of germination. It is one of the phenomena of alternate generation. Cf. Heterogamy, and Metagenesis.

A kind of minuet, in triple time, of French origin, popular in the reign of Queen Elizabeth and for some time after; -- called also passing measure, and passymeasure. Percy Smith.

Tending to pervade, or having power to spread throughout; of a pervading quality. "Civilization pervasive and general." M. Arnold.

A generalization with regard to systems of chemical equilibrium, discovered by Prof. J. Willard Gibbs. It may be stated thus: The degree of variableness (number of degrees of freedom) of a system is equal to the number of components minus the number of phases, plus two. Thus, if the components be salt and water, and th…

thern parts of both hemispheres. The adult male is more or less tinged with red. -- Pine lizard (Zoöl.), a small, very active, mottled gray lizard (Sceloporus undulatus), native of the Middle States; -- called also swift, brown scorpion, and alligator. -- Pine marten. (Zoöl.) (a) A European weasel (Mustela martes), c…

fore, as into the wilderness, preparing the way for others to follow; as, pioneers of civilization; pioneers of reform.

A secluded part of a garden. [Archaic] The pleasances of old Elizabethan houses. Ruskin.

Having the teeth consolidated with the inner edge of the jaw, as in some lizards.

The production of two or more embryos in one seed, due either to the existence and fertilization of more than one embryonic sac or to the origination of embryos outside of the embryonic sac.

An English coin of the reign of Elizabeth, struck for the use of the East India Company; -- so called from its bearing the figure of a portcullis on the reverse.

poverty; the pressure of taxes; the pressure of motives on the mind; the pressure of civilization. Where the pressure of danger was not felt. Macaulay.

to a female. Wyclif (Rev. i. 5). Go, Michael, of celestial armies prince. Milton. Queen Elizabeth, a prince admirable above her sex. Camden.

The series of cells formed in the ovule of a flowering plant after fertilization, but before the formation of the embryo.

morphous crystal, one which has a form that does not result from its own powers of crystallization.

r animals, and by the larvæ of certain insects. It is capable of development without fertilization. See Illust. of Pædogenesis.