Webster's Dictionary 1913

3160

Alto

Al″to (�), n.; pl.Altos (�). [It. alto high, fr. L. altus. Cf. Alt.] 1. (Mus.) Formerly the part sung by the highest male, or counter-tenor, voices; now the part sung by the low...

3161

Alto-cumulus

Al′to–cu″mu‐lus (?), n. [L. altus high + L. & E. cumulus.] (Meteor.) A fleecy cloud formation consisting of large whitish or grayish globular cloudlets with shaded portions, oft...

3162

Alto-relievo

Al″to–re‐lie″vo (�), n. Alto-rilievo.

3163

Alto-rilievo

‖Al″to–ri‐lie‐vo (�), n.; pl.Alto-rilievos (�). (Sculp.) High relief; sculptured work in which the figures project more than half their thickness; as, this figure is an alto-ril...

3164

Alto-stratus

Al′to–stra″tus (?), n. [L. altus high + L. & E. stratus.] (Meteor.) A cloud formation similar to cirro-stratus, but heavier and at a lower level.

3165

Altogether

Al′to‐geth″er (#), adv. [OE. altogedere; al all + togedere together. See Together.] 1. All together; conjointly.Altogether they went at once.Chaucer.2. Without exception; wholly...

3166

Altometer

Al‐tom″e‐ter (�), n. [L. altus high + -meter.] A theodolite. Knight.

3167

Altrical

Al″tri‐cal (�), a.(Zoöl.) Like the articles.

3168

Altrices

‖Al‐tri″ces (�), n. pl. [L., nourishes, pl. of altrix.] (Zoöl.) Nursers, — a term applied to those birds whose young are hatched in a very immature and helpless condition, so as...

3169

Altruism

Al″tru‐ism (�), n. [F. altruisme (a word of Comte's), It. altrui of or to others, fr. L. alter another.] Regard for others, both natural and moral; devotion to the interests of ...

3170

Altruist

Al″tru‐ist, n. One imbued with altruism; — opposed to egoist.

3171

Altruistic

Al′tru‐is″tic (�), a. [Cf. F. altruiste, a. See Altruism..] Regardful of others; beneficent; unselfish; — opposed to egoistic or selfish. Bain. — Al′tru‐is″tic‐al‐ly, adv.

3172

Aludel

Al″u‐del (�), n. [F. & Sp. aludel, fr. Ar. aluthāl.] (Chem.) One of the pear-shaped pots open at both ends, and so formed as to be fitted together, the neck of one into the bott...

3173

Alula

‖Al″u‐la (�), n. [NL., dim. of L. ala a wing.] (Zoöl.) A false or bastard wing. See under Bastard.

3174

Alular

Al″u‐lar (�), a.(Zoöl.) Pertaining to the alula.

3175

Alum

Al″um (�), n. [OE. alum, alom, OF. alum, F. alun, fr. L. alumen alum.] (Chem.) A double sulphate formed of aluminium and some other element (esp. an alkali metal) or of aluminiu...

3176

Alum (2)

Al″um (�), v. t. To steep in, or otherwise impregnate with, a solution of alum; to treat with alum. Ure.

3177

Alum root

Al″um root′ (�). (Bot.) A North American herb (Heuchera Americana) of the Saxifrage family, whose root has astringent properties.

3178

Alum schist

{ Al″um schist″ (�), Al″um shale″ (�), } (Min.) A variety of shale or clay slate, containing iron pyrites, the decomposition of which leads to the formation of alum, which often...

3179

Alum stone

Al″um stone′ (�). (Min.) A subsulphate of alumina and potash; alunite.

3180

Alumen

‖A‐lu″men (�), n.(Chem.) Alum.

3181

Alumina

A‐lu″mi‐na (�), n. [L. alumen, aluminis. See Alum.] (Chem.) One of the earths, consisting of two parts of aluminium and three of oxygen, Al2O3.☞ It is the oxide of the metal alu...

3182

Aluminate

A‐lu′mi‐nate (�), n.(Chem.) A compound formed from the hydrate of aluminium by the substitution of a metal for the hydrogen.

3183

Aluminated

A‐lu″mi‐na′ted (�). a. Combined with alumina.

3184

Alumine

Al″u‐mine (ăl″ū̍‐mĭn), n. Alumina. Davy.

3185

Aluminic

Al′u‐min″ic (ăl′ū̍‐mĭn″ĭl), a. Of or containing aluminium; as, aluminic phosphate.

3186

Aluminiferous

A‐lu′mi‐nif″er‐ous (�), a. [L. alumen alum + -ferous: cf. F. aluminifère.] Containing alum.