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One of a class of strongly basic substances derived from ammonia by replacement of one or more hydrogen atoms by a basic atom or radical.

ts structure (such as the formation of chromosomes), followed by the division of the cytoplasm; direct cell division; -- opposed to mitosis. It is not the usual mode of division, and is believed by many to occur chiefly in highly specialized cells which are incapable of long-continued multiplication, in transitory stru…

nd is used in medicine as an expectorant and resolvent, and for the formation of certain plasters.

Conjoined, or associated with, or making part of the number of; in the number or class of. Blessed art thou among women. Luke i. 28.

ous; esp. a state of being without crystallization even in the minutest particles, as in glass, opal, etc.

One of the classes of vertebrates.

taking of two natures. Not in free and common socage, but in this amphibious subordinate class of villein socage. Blackstone.

iron. Some common varieties are tremolite, actinolite, asbestus, edenite, hornblende (the last name being also used as a general term for the whole species). Amphibole is a constituent of many crystalline rocks, as syenite, diorite, most varieties of trachyte, etc. See Hornblende.

A foot of three syllables, the middle one long, the first and last short (as, h. In modern prosody the accented syllable takes the place of the long and the unaccented of the short; as, pro-phet''ic.

A salt of the class formed by the combination of an acid and a base, or by the union of two oxides, two sulphides, selenides, or tellurides, as distinguished from a haloid compound. [R.] Berzelius.

A name applied to the elasmobranch fishes, because the nasal sac is double.

Clasping a support; as, amplectant tendrils. Gray.

Clasping or embracing a stem, as the base of some leaves. Gray.

Having an ampulla; flask-shaped; bellied.

Flask-shaped; dilated.

Forming starch; -- applied specif. to leucoplasts.

A repetition of the last word or any prominent word in a sentence or clause, at the beginning of the next, with an adjunct idea; as, "He retained his virtues amidst all his misfortunes -- misfortunes which no prudence could foresee or prevent."

Not changed in form by inversion. Anallagmatic curves, a class of curves of the fourth degree which have certain peculiar relations to circles; -- sometimes called bicircular quartics. -- Anallagmatic surfaces, a certain class of surfaces of the fourth degree.

The process of ascertaining the name of a species, or its place in a system of classification, by means of an analytical table or key. Ultimate, Proximate, Qualitative, Quantitative, and Volumetric analysis. (Chem.) See under Ultimate, Proximate, Qualitative, etc.

A metrical foot consisting of three syllables, the first two short, or unaccented, the last long, or accented; the reverse of the dactyl. In Latin d, and in English in-ter-vene, are examples of anapests.