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c, or year book, containing astronomical calculations (lunar, stellar, etc.), and other information useful to mariners.

tar. [Archaic] Almucanter staff, an ancient instrument, having an arc of fifteen degrees, formerly used at sea to take observations of the sun's amplitude at the time of its rising or setting, to find the variation of the compass.

A measure by the ell; formerly a sworn officer in England, whose duty was to inspect act measure woolen cloth, and fix upon it a seal.

The inspissated juice of several species of aloe, used as a purgative. [Plural in form but syntactically singular.] American aloe, Century aloe, the agave. See Agave.

tters of a language arranged in the customary order; the series of letters or signs which form the elements of written language.

The state of being altered; a change made in the form or nature of a thing; changed condition. Ere long might perceive Strange alteration in me. Milton. Appius Claudius admitted to the senate the sons of those who had been slaves; by which, and succeeding alterations, that council degenerated into a most corrupt. Swift…

A substitute; one designated to take the place of another, if necessary, in performing some duty.

time or place; the act of following and being followed by turns; alternate succession, performance, or occurrence; as, the alternation of day and night, cold and heat, summer and winter, hope and fear.

be left. There is something else than the mere alternative of absolute destruction or unreformed existence. Burke.

Although. [Reformed spelling] Alt"horn`, n. Etym: [Alt + horn.] (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.

A fleecy cloud formation consisting of large whitish or grayish globular cloudlets with shaded portions, often grouped in flocks or rows.

A cloud formation similar to cirro-stratus, but heavier and at a lower level.

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.

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.

of shale or clay slate, containing iron pyrites, the decomposition of which leads to the formation of alum, which often effloresces on the rock.

A compound formed from the hydrate of aluminium by the substitution of a metal for the hydrogen.

Formed or vaulted like a beehive.

Constancy during a certain period, or regularly at stated intervals; invariably; uniformly; -- opposed to sometimes or occasionally. He always rides a black galloway. Bulwer.

To mix, so as to make a uniform compound; to unite or combine; as, to amalgamate two races; to amalgamate one race with another. Ingratitude is indeed their four cardinal virtues compacted and amalgamated into one. Burke.