Part 202

6. pl. Elevation of spirits; heroics; haughty airs. [Colloq.] Richardson.

The man of law began to get into his altitude. Sir W. Scott.

Meridian altitude, an arc of the meridian intercepted between the south point on the horizon and any point on the meridian. See Meridian, 3.

Al`ti*tu"di*nal (&?;), a. Of or pertaining to height; as, altitudinal measurements.

Al`ti*tu`di*na"ri*an (&?;), a. Lofty in doctrine, aims, etc. [R.] Coleridge.

Al*tiv"o*lant (&?;), a. [L. altivolans. See Volant.] Flying high. [Obs.] Blount.

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 lowest female, or contralto, voices, between in tenor and soprano. In instrumental music it now signifies the tenor.

2. An alto singer.

Alto clef (Mus.) the counter-tenor clef, or the C clef, placed so that the two strokes include the middle line of the staff. Moore.

Al`to*geth"er (#), adv. [OE. altogedere; al all + togedere together. See Together.] 1. All together; conjointly. [Obs.]

Altogether they went at once. Chaucer.

2. Without exception; wholly; completely.

Every man at his best state is altogether vanity. Ps. xxxix. 5.

Al*tom"e*ter (&?;), n. [L. altus high + -meter.] A theodolite. Knight.

Al"to-re*lie"vo (&?;), n. Alto- rilievo.

||Al"to-ri*lie*vo (&?;), n.; pl. Alto-rilievos (&?;). [It.] (Sculp.) High relief; sculptured work in which the figures project more than half their thickness; as, this figure is an alto-rilievo or in alto- rilievo.

When the figure stands only half out, it is called mezzo- rilievo, demi-rilievo, or medium relief; when its projection is less than one half, basso-rilievo, bas-relief, or low relief.

Al"tri*cal (&?;), a. (Zoöl.) Like the articles.

||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 to require the care of their parents for some time; -- opposed to præcoces.

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 others; brotherly kindness; -- opposed to egoism or selfishness. [Recent] J. S. Mill.

Al"tru*ist, n. One imbued with altruism; -- opposed to egoist.

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.

Al"u*del (&?;), n. [F. & Sp. aludel, fr. Ar. aluthl.] (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 bottom of another in succession; -- used in the process of sublimation. Ure.

||Al"u*la (&?;), n. [NL., dim. of L. ala a wing.] (Zoöl.) A false or bastard wing. See under Bastard.

Al"u*lar (&?;), a. (Zoöl.) Pertaining to the alula.

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 aluminium. It has twenty-four molecules of water of crystallization.

Common alum is the double sulphate of aluminium and potassium. It is white, transparent, very astringent, and crystallizes easily in octahedrons. The term is extended so as to include other double sulphates similar to alum in formula.

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