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An intensely radioactive metallic element found (combined) in minute quantities in pitchblende, and various other uranium minerals. Symbol, Ra; atomic weight, 226.4. Radium was discovered by M. and Mme. Curie, of Paris, who in 1902 separated compounds of it by a tedious process from pitchblende. Its compounds color fla…

To use a rake, as for searching or for collecting; to scrape; to search minutely. One is for raking in Chaucer for antiquated words. Dryden.

dian plant (Scleria scindens), the triangular stem and the leaves of which are edged with minute sharp teeth. -- Razor grinder (Zoöl.), the European goat-sucker. -- Razor shell (Zoöl.), any marine bivalve shell belonging to Solen and allied genera, especially Solen, or Ensatella, ensis, and Americana, which have a lo…

shillings, and pence to pence, or to reduce pence to pounds; to reduce days and hours to minutes, or minutes to days and hours.

To return; to pay back; to restore. Whose smallest minute lost, no riches render may. Spenser.

To make minutes of, as a speech, or the doings of a public body; to write down from the lips of a speaker.

A minute smooth rodlike or fusiform structure found in the tissues of many Turbellaria.

A minute calcareous rodlike structure found both at the surface and the bottom of the ocean; -- supposed by some to be a calcareous alga.

One of numerous minute rodlike structures formed of two or more cells situated behind the retinulæ in the compound eyes of insects, etc. See Illust. under Ommatidium.

A minute sphere composed of rhabdoliths.

Minute transparent, often needlle-shaped, crystals found in the tissues of plants. [Written also raphides.]

treasury; a rich entertainment; a rich crop. If life be short, it shall be glorious; Each minute shall be rich in some great action. Rowe. The gorgeous East with richest hand Showers on her kings barbaric pearl and gold. Milton.

surface of fresh roots. They are prolongations of the superficial cells of the root into minute tubes. Gray. -- Root leaf (Bot.), a radical leaf. See Radical, a., 3 (b). -- Root louse (Zoöl.), any plant louse, or aphid, which lives on the roots of plants, as the Phylloxera of the grapevine. See Phylloxera. -- Root…

A green micaceous mineral occurring in minute scales. It is essentially a silicate of aluminia and potash containing vanadium.

A disease or decay in fruits, leaves, or wood, supposed to be caused by minute fungi. See Bitter rot, Black rot, etc., below.

An order of minute worms which usually have one or two groups of vibrating cilia on the head, which, when in motion, often give an appearance of rapidly revolving wheels. The species are very numerous in fresh waters, and are very diversified in form and habits.

A minute mold or fungus forming reddish or rusty spots on the leaves and stems of cereal and other grasses (Trichobasis Rubigo- vera), now usually believed to be a form or condition of the corn mildew (Puccinia graminis). As rust, it has solitary reddish spores; as corn mildew, the spores are double and blackish.…

A defensive cell containing a minute rodlike structure which may be expelled. Such cells are found in certain Turbellaria.

Fine particles of stone, esp. of siliceous stone, but not reduced to dust; comminuted stone in the form of loose grains, which are not coherent when wet. That finer matter, called sand, is no other than very small pebbles. Woodsward.

A minute yellowish body present in the interior of certain rhizopods.