Uniserrate, ū-ni-ser′āt, adj. having one row of teeth or serrations.—adj. Uniser′rūlate, having one row of small serrations.

Unisexual, ū-ni-sek′sū-al, adj. of one sex only, as a plant.—n. Unisexual′ity.—adv. Unisex′ually.

Unison, ū′ni-son, n. oneness or agreement of sound: concord: harmony—adj. U′nisōnal.—adv. U′nisōnally.—n. U′nisōnance, state of being unisonant: accordance of sounds.—adjs. U′nisōnant, U′nisōnous, being in unison. [L. unus, one, sonus a sound, sonāre, to sound.]

Unit, ū′nit, n. one: a single thing or person: the least whole number: anything taken as one: any known determinate quantity by constant application of which any other quantity is measured.—adj. U′nital.—n. Unitā′rian, one who asserts the unity of the Godhead as opposed to the Trinity, and ascribes divinity to God the Father only.—adj. pertaining to Unitarians or their doctrine.—n. Unitā′rianism, the doctrines or principles of a Unitarian.—adj. U′nitary, pertaining to unity or to a unit: (biol.) monistic, as opposed to dualistic: whole, integral.—n. U′nitāte, the remainder after dividing a number by any digit.—v.t. to obtain the unitate of.—n. Unitā′tion. [L. unitum, pa.p. of unīre, to unite—unus, one.]

Unite, ū-nīt′, v.t. to make one: to join two or more into one: to join: to make to agree or adhere.—v.i. to become one: to grow or act together.—adj. Unī′ted, joined, made one: harmonious.—adj. Unī′tedly, in union: together.—ns. Unī′ter, one who unites; Uni′tion, act of uniting, conjunction; U′nitism, monism.—adj. U′nitive, harmonising, uniting.—adv. Unī′tively.—Unitas Fratrum, or United Brethren (see Moravian); United Greeks (see Uniat); United Irishmen, an organisation originally formed to help Grattan in carrying his reforms, but which quickly became a rebel organisation, and caused the rising of 1798; United Presbyterian (see Presbyter); United Provinces, the seven northern provinces of Holland—Holland, Zealand, Utrecht, Gelderland, Groningen, Friesland, and Overyssel, united in 1579 under the Union of Utrecht; United States, a federal union of states, esp. that of North America.

Unity, ū′ni-ti, n. oneness: state of being one or at one: agreement: the arrangement of all the parts to one purpose or effect: harmony: (math.) any quantity taken as one.—The unities (of place, time, and action), the three canons of the classical drama—that the scenes should be at the same place, that all the events should be such as might happen within a single day, and that nothing should be admitted not directly relevant to the development of the plot.

Univalent, ū-niv′a-lent, adj. having a valence of one.—ns. Univ′alence, Univ′alency.

Univalve, ū′ni-valv, adj. having one valve or shell only.—n. a shell of one valve only: a mollusc whose shell is composed of a single piece.—adj. Unival′vular.

Universal, ū-ni-vėr′sal, adj. comprehending, affecting, or extending to the whole: comprising all the particulars: applied to a great variety of uses.—n. a universal proposition, a general term, a universal concept.—n. Universalisā′tion.—v.t. Univer′salise.—ns. Univer′salism, the doctrine or belief of universal salvation, or the ultimate salvation of all mankind, and even of the fallen angels; Univer′salist, a believer in universalism.—adj. pertaining to such beliefs.—adj. Universalist′ic.—n. Universal′ity, state or quality of being universal.—adv. Univer′sally.—n. Univer′salness.—adj. Universan′imous, of one mind. [L. universalisuniversus.]

Universe, ū′ni-vėrs, n. the whole system of created things: all created things viewed as one whole: the world.—adj. Universolog′ical.—ns. Universol′ogist; Universol′ogy, the science of the universe, or of all forms of human activity. [L. universum, neut. sing. of universus, whole, unus, one, versus, vertĕre, to turn.]