Search the Dictionary

Webster’s Dictionary (1828)



3,269 words match “LAS”

ALBOLITH n.
A kind of plastic cement, or artificial stone, consisting chiefly of magnesia and silica; -- called also albolite.
ALBUMINOID a.
One of a class of organic principles (called also proteids) which form the main part of organized tissues. Brunton.
ALBUMOSE n.
A compound or class of compounds formed from albumin by dilute acids or by an acid solution of pepsin. Used also in combination, as antialbumose, hemialbumose.
ALCOHOL n.
A class of compounds analogous to vinic alcohol in constitution. Chemically speaking, they are hydroxides of certain organic radicals; as, the radical ethyl forms common or ethyl alcohol (C2H5OH); methyl forms methyl alcohol (CH3.OH) or wood spirit; amyl forms amyl alcohol (C5H11.OH) or fusel oil, etc.…
ALDINE a.
An epithet applied to editions (chiefly of the classics) which proceeded from the press of Aldus Manitius, and his family, of Venice, for the most part in the 16th century and known by the sign of the anchor and the dolphin. The term has also been applied to certain elegant editions of English works.…
ALECITHAL a.
va which segment uniformly, and which have little or no food yelk embedded in their protoplasm. Balfour.
ALEGGE v.
To allay or alleviate; to lighten. [Obs.] That shall alegge this bitter blast. Spenser.
ALEMBIC n.
An apparatus formerly used in distillation, usually made of glass or metal. It has mostly given place to the retort and worm still. Used also metaphorically. The alembic of a great poet's imagination. Brimley.
ALEURONE n.
rotein granules") in maturing seeds and tubers; -- supposed to be a modification of protoplasm.
ALEUTIAN; ALEUTIC a.
Of or pertaining to a chain of islands between Alaska and Kamtchatka; also, designating these islands.
ALGA n.
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.
ALKALI n.
One of a class of caustic bases, such as soda, potash, ammoma, and lithia, whose distinguishing peculiarities are solubility in alcohol and water, uniting with oils and fats to form soap, neutralizing and forming salts with acids, turning to brown several vegetable yellows, and changing reddened litmus to blue. Fixed a…
ALKALI SOIL n.
soda with a smaller amount of potash, and usually a little lime and magnesia. Two main classes of alkali are commonly distinguished: black alkali, which may be any alkaline carbonate, but which practically consists of sodium carbonate (sal soda), which is highly corrosive and destructive to vegetation; and white alka…
ALKALOID n.
An organic base, especially one of a class of substances occurring ready formed in the tissues of plants and the bodies of animals.
ALMAGRA n.
s the sil atticum of the ancients. Under the name of Indian red it is used for polishing glass and silver.
ALOE n.
A genus of succulent plants, some classed as trees, others as shrubs, but the greater number having the habit and appearance of evergreen herbaceous plants; from some of which are prepared articles for medicine and the arts. They are natives of warm countries.
ALPHA n.
denote the beginning. In am Alpha and Omega, the beginning and the end, the first and the last. Rev. xxii. 13.
ALTERNATIVE n.
ne of several things offered to choose among. My decided preference is for the fourth and last of thalternatives. Gladstone.
AMBROTYPE n.
A picture taken on a place of prepared glass, in which the lights are represented in silver, and the shades are produced by a dark background visible through the unsilvered portions of the glass.
AMIC a.
-- used chiefly as a suffix; as, amic acid; phosphamic acid. Amic acid (Chem.), one of a class of nitrogenized acids somewhat resembling amides.
← Previous Page 28 of 164 Next →