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Cheese. -- Rennet ferment (Physiol. Chem.), a ferment, present in rennet and in variable quantity in the gastric juice of most animals, which has the power of curdling milk. The ferment presumably acts by changing the casein of milk from a soluble to an insoluble form. -- Rennet stomach (Anat.), the fourth stomach, o…

To serve as a sign or symbol of; as, mathematical symbols represent quantities or relations; words represent ideas or things.

t liabilities. In reserve, in keeping for other or future use; in store; as, he has large quantities of wheat in reserve; he has evidence or arguments in reserve. -- Reserve air. (Physiol.) Same as Supplemental air, under Supplemental.

, as cotton waste from a cotton mill, coke and coal tar from gas works, etc. -- Residual quantity (Alg.), a binomial quantity the two parts of which are connected by the negative sign, as a-b. -- Residual root (Alg.), the root of a residual quantity, as sq. root(a-b).

The sale of commodities in small quantities or parcels; -- opposed to wholesale; sometimes, the sale of commodities at second hand.

upial (Zoöl.), the bobolink. -- Rice water, a drink for invalids made by boiling a small quantity of rice in water. -- Rice-water discharge (Med.), a liquid, resembling rice water in appearance, which is vomited, and discharged from the bowels, in cholera. -- Rice weevil (Zoöl.), a small beetle (Calandra, or Sitophi…

To reach a higher level by increase of quantity or bulk; to swell; as, a river rises in its bed; the mercury rises in the thermometer.

A quantity of cloth wound into a cylindrical form; as, a roll of carpeting; a roll of ribbon.

erals, 1, 4, etc. Roman alum (Chem.), a cubical potassium alum formerly obtained in large quantities from Italian alunite, and highly valued by dyers on account of its freedom from iron. -- Roman balance, a form of balance nearly resembling the modern steelyard. See the Note under Balance, n., 1. -- Roman candle, a k…

That factor of a quantity which when multiplied into itself will produce that quantity; thus, 3 is a root of 9, because 3 multiplied into itself produces 9; 3 is the cube root of 27.

A rare metallic element. It occurs quite widely, but in small quantities, and always combined. It is isolated as a soft yellowish white metal, analogous to potassium in most of its properties. Symbol Rb. Atomic weight, 85.2.

That which runs or flows; the quantity of a liquid which flows in a certain time or during a certain operation; as, the first running of a still.

An instrument for ascertain the quantity of saccharine matter in any solution, as the juice of a plant, or brewers' and distillers' worts. [Written also saccharometer.]

acid formerly obtained by fusing salicin with potassium hydroxide, and now made in large quantities from phenol (carbolic acid) by the action of carbon dioxide on heated sodium phenolate. It is a white crystalline substance. It is used as an antiseptic, and in its salts in the treatment of rheumatism. Called also hydr…

expense or expenditure; to prevent waste; to be economical. Brass ordnance saveth in the quantity of the material. Bacon.

In the quaternion analysis, a quantity that has magnitude, but not direction; -- distinguished from a vector, which has both magnitude and direction.

To clean, as the inside of a cannon, by the explosion of a small quantity of powder. Totten.

A small pattern; a small quantity. [Obs.] Sir M. Hale.

A piece or quantity cut for a special purpose; a sample. [Obs.] Such as exceed not this scantling; -- to be solace to the sovereign and harmless to the people. Bacon. A pretty scantling of his knowledge may taken by his deferring to be baptized so many years. Milton.

Not plentiful or abundant; in small quantity in proportion to the demand; not easily to be procured; rare; uncommon. You tell him silver is scarcer now in England, and therefore risen one fifth in value. Locke. The scarcest of all is a Pescennius Niger on a medallion well preserved. Addison.