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‖n.; pl. Algæ or algae [ L., seaweed. ] (Bot.) A kind of seaweed; pl. the class of cellular cryptogamic plants which includes the black, red, and green seaweeds, as kelp, dulse, sea lettuce, also marine and fresh water confervæ, etc. The algae are primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves. [ 1913 Webster + WordNet 1.5 ]

n. plural of alga. [ WordNet 1.5 ]

a., (Bot.) Pertaining to, or like, algæ. [ 1913 Webster ]

‖n. [ Sp. algarroba, fr. Ar. al-kharr&unr_;bah. Cf. Carob. ] (Bot.) (a) The Carob, a leguminous tree of the Mediterranean region; also, its edible beans or pods, called St. John's bread. (b) The Honey mesquite (Prosopis juliflora), a small tree found from California to Buenos Ayres; also, its sweet, pulpy pods. A valuable gum, resembling gum arabic, is collected from the tree in Texas and Mexico. [ 1913 Webster ]

{ } n. [ F. algaroth, fr. the name of the inventor, Algarotti. ] (Med.) A term used for the Powder of Algaroth, a white powder which is a compound of trichloride and trioxide of antimony. It was formerly used in medicine as an emetic, purgative, and diaphoretic. [ 1913 Webster ]

‖n. The agglutinated seeds and husks of the legumes of a South American tree (Inga Marthae). It is valuable for tanning leather, and as a dye. [ 1913 Webster ]

{ } adv. [ All + gate way. The s is an adverbial ending. See Gate. ] 1. Always; wholly; everywhere. [ Obs. ] [ 1913 Webster ]

Ulna now he algates must forego. Spenser. [ 1913 Webster ]

☞ Still used in the north of England in the sense of “everywhere.” [ 1913 Webster ]

2. By any or means; at all events. [ Obs. ] Fairfax. [ 1913 Webster ]

3. Notwithstanding; yet. [ Obs. ] Chaucer. [ 1913 Webster ]

n. [ Ar. al the + ghazāl. ] (Zool.) The true gazelle. [ 1913 Webster ]

n. [ LL. algebra, fr. Ar. al-jebr reduction of parts to a whole, or fractions to whole numbers, fr. jabara to bind together, consolidate; al-jebr w'almuqābalah reduction and comparison (by equations): cf. F. algèbre, It. & Sp. algebra. ] 1. (Math.) That branch of mathematics which treats of the relations and properties of quantity by means of letters and other symbols. It is applicable to those relations that are true of every kind of magnitude. [ 1913 Webster ]

2. A treatise on this science. [ 1913 Webster ]

{ } a. 1. Of or pertaining to algebra; using algebra; according to the laws of algebra; containing an operation of algebra, or deduced from such operation; as, algebraic characters; algebraical writings; algebraic geometry. [ 1913 Webster ]

2. progressing by constant multiplicatory factors; -- of a series of numbers. Contrasted to arithmetical. algebraic progression
Syn. -- algebraic [ PJC ]

Algebraic curve, a curve such that the equation which expresses the relation between the coördinates of its points involves only the ordinary operations of algebra; -- opposed to a transcendental curve. [ 1913 Webster ]

adv. By algebraic process. [ 1913 Webster ]

n. One versed in algebra. [ 1913 Webster ]

v. t. To perform by algebra; to reduce to algebraic form. [ 1913 Webster ]

a. Of or pertaining to Algeria. -- n. A native of Algeria. [ 1913 Webster ]

a. Of or pertaining to Algiers or Algeria. [ 1913 Webster ]

n. A native or one of the people of Algiers or Algeria. Also, a pirate. [ 1913 Webster ]

a. [ L. algidus cold, fr. algere to be cold: cf. F. algide. ] 1. Cold; chilly. Bailey. AS [ 1913 Webster ]

2. (Med.) Characterized by the presence of shock and cold skin. [ AS ]

Algid cholera (Med.), (a) A term formerly used for a classic untreated cholera (also called Asiatic cholera, caused by Vibrio cholerae); it is marked by three stages that succeed each other. These stages include a watery diarrhea stage, a stage of shock and collapse characterized by a cold skin and, the final stage of high fever. Patients usually die at the second stage of the disease. (b) In its modern use, algid cholera refers to a cholera that has entered the second stage of the disease. In the 19th century, the term algid cholera referred to Asiatic cholera, to distinguish it from other less specific intestinal afflictions. [ AS ]

n. Chilliness; coldness; especially: (Med.), coldness and collapse. AS [ 1913 Webster ]

n. Algidity. [ Obs. ] [ 1913 Webster ]

prop. n. (Geography) The capital city of Algeria. Population (2000) = unk. [ PJC ]

a. [ L. algificus, fr. algus cold + facere to make. ] Producing cold. [ 1913 Webster ]

n. (Chem.) A nitrogenous substance resembling gelatin, obtained from certain algæ. [ Webster 1913 Suppl. ]

a. [ L. alga + -oid. ] Of the nature of, or resembling, an alga. [ 1913 Webster ]

n. [ Ar. al-ghūl destruction, calamity, fr. ghāla to take suddenly, destroy. ] (Astron.) A fixed star, in Medusa's head, in the constellation Perseus, remarkable for its periodic variation in brightness. [ 1913 Webster ]

a. Of or pertaining to algology; as, algological specimens. [ 1913 Webster ]

n. One learned about algæ; a student of algology. [ 1913 Webster ]

n. [ L. alga seaweed + -logy. ] (Bot.) The study or science of algæ or seaweeds. [ 1913 Webster ]

n. [ Gr. &unr_; pain + -meter. ] (Psychol.) An instrument for measuring sensations of pain due to pressure. It has a piston rod with a blunted tip which is pressed against the skin. -- Al*gom"e*try n. -- Al`go*met"ric *met"ric*al a. -- Al`go*met"ric*al*ly, adv. [ Webster 1913 Suppl. ]

a. 1. Var. of Algonquian. [ Webster 1913 Suppl. ]

2. (Geol.) Pertaining to or designating a period or era recognized by the United States Geological Survey and some other authorities, between the Archæan and the Paleozoic, from both of which it is generally separated in the record by unconformities. Algonkian rocks are both sedimentary and igneous. Although fossils are rare, life certainly existed in this period. -- n. The Algonkian period or era, or system or group of systems. [ Webster 1913 Suppl. ]

{ } prop. n. One of a widely spread family of Indians, including many distinct tribes, which formerly occupied most of the northern and eastern part of North America. The name was originally applied to a group of Indian tribes north of the River St. Lawrence. [ 1913 Webster ]

a. Pertaining to or designating the most extensive of the linguistic families of North American Indians, their territory formerly including practically all of Canada east of the 115th meridian and south of Hudson's Bay and the part of the United States east of the Mississippi and north of Tennessee and Virginia, with the exception of the territory occupied by the northern Iroquoian tribes. There are nearly 100, 000 Indians of the Algonquian tribes, of which the strongest are the Ojibwas (Chippewas), Ottawas, Crees, Algonquins, Micmacs, and Blackfeet. -- n. An Algonquian Indian. [ Webster 1913 Suppl. ]

‖n. [ L. ] (Med.) Cold; chilliness. AS [ 1913 Webster ]

Algor mortis (Med.), The decrease of body temperature to room temperature after death. [ AS ]

{ } n. [ OE. algorism, algrim, augrim, OF. algorisme, F. algorithme (cf. Sp. algoritmo, OSp. alguarismo, LL. algorismus), fr. the Ar. al-Khowārezmī of Khowārezm, the modern Khiwa, surname of Abu Ja'far Mohammed ben Musā, author of a work on arithmetic early in the 9th century, which was translated into Latin, such books bearing the name algorismus. The spelling with th is due to a supposed connection with Gr. &unr_; number. ] 1. The art of calculating by nine figures and zero; computation with Arabic figures. [ 1913 Webster ]

2. the Arabic system of numeration.
Syn. -- decimal system [ WordNet 1.5 ]

3. The art of calculating with any species of notation; as, the algorithms of fractions, proportions, surds, etc. [ 1913 Webster ]

n. a precise rule (or set of rules) specifying how to solve some problem; a set of procedures guaranteed to find the solution to a problem.
Syn. -- algorithmic rule, algorithmic program [ WordNet 1.5 +PJC ]

adj. 1. of or pertaining to an algorithm. recursive [ 1913 Webster ]

2. definitively solvable by a finite number of steps; -- said of mathematical or logical problems. Contrasted with heuristic. [ WordNet 1.5 ]

a. [ L. algosus, fr. alga seaweed. ] Of or pertaining to the algæ, or seaweeds; abounding with, or like, seaweed. [ 1913 Webster ]

‖pr>(&unr_;), n. [ Sp. alguacil, fr. Ar. alwazīr the vizier. Cf. Vizier. ] An inferior officer of justice in Spain; a warrant officer; a constable. Prescott. [ 1913 Webster ]

n. Same as Almug (and etymologically preferable). 2 Chron. ii. 8. [ 1913 Webster ]

{ } n. [ Heb., perh. borrowed fr. Skr. valguka sandalwood. ] (Script.) A tree or wood of the Bible (2 Chron. ii. 8; 1 K. x. 11). [ 1913 Webster ]

☞ Most writers at the present day follow Celsius, who takes it to be the red sandalwood of China and the Indian Archipelago. W. Smith. [ 1913 Webster ]

v. t. & i. [ Cf. F. amalgamer ] To amalgamate. Boyle. B. Jonson. [ 1913 Webster ]

n. [ F. amalgame, prob. fr. L. malagma, Gr. ma`lagma, emollient, plaster, poultice, fr. mala`ssein to make soft, fr. malako`s soft. ] 1. An alloy of mercury with another metal or metals; as, an amalgam of tin, bismuth, etc. [ 1913 Webster ]

☞ Medalists apply the term to soft alloys generally. [ 1913 Webster ]

2. A mixture or compound of different things. [ 1913 Webster ]

3. (Min.) A native compound of mercury and silver. [ 1913 Webster ]

‖n. Same as Amalgam. [ 1913 Webster ]

They divided this their amalgama into a number of incoherent republics. Burke. [ 1913 Webster ]

v. t. [ imp. & p. p. Amalgamated; p. pr. & vb. n. Amalgamating. ] 1. To compound or mix, as quicksilver, with another metal; to unite, combine, or alloy with mercury. [ 1913 Webster ]

2. To mix, so as to make a uniform compound; to unite or combine; as, to amalgamate two races; to amalgamate one race with another. [ 1913 Webster ]

Ingratitude is indeed their four cardinal virtues compacted and amalgamated into one. Burke. [ 1913 Webster ]

v. i. 1. To unite in an amalgam; to blend with another metal, as quicksilver. [ 1913 Webster ]

2. To coalesce, as a result of growth; to combine into a uniform whole; to blend; as, two organs or parts amalgamate. [ 1913 Webster ]

{ } a. Coalesced; united; combined. [ 1913 Webster ]

n. [ Cf. F. amalgamation. ] 1. The act or operation of compounding mercury with another metal; -- applied particularly to the process of separating gold and silver from their ores by mixing them with mercury. Ure. [ 1913 Webster ]

2. The mixing or blending of different elements, races, societies, etc.; also, the result of such combination or blending; a homogeneous union. Macaulay. [ 1913 Webster ]

a. Characterized by amalgamation. [ 1913 Webster ]

n. One who, or that which, amalgamates. Specifically: A machine for separating precious metals from earthy particles by bringing them in contact with a body of mercury with which they form an amalgam. [ 1913 Webster ]