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- English Word Radiciform Definition Having the nature or appearance of a radix or root.
- English Word Radicle Definition The rudimentary stem of a plant which supports the cotyledons in the seed, and from which the root is developed downward; the stem of the embryo; the caulicle.
- English Word Radicle Definition A rootlet; a radicel.
- English Word Radicular Definition Of or pertaining to roots, or the root of a plant.
- English Word Radicule Definition A radicle.
- English Word Radiculose Definition Producing numerous radicles, or rootlets.
- English Word Radii Definition pl. of Radius.
- English Word Radii Definition of Radius
- English Word Radio- Definition A combining form indicating connection with, or relation to, a radius or ray; specifically (Anat.), with the radius of the forearm; as, radio-ulnar, radio-muscular, radio-carpal.
- English Word Radio-flagellata Definition A group of Protozoa having both flagella and pseudopodia.
- English Word Radiograph Definition A picture produced by the Rontgen rays upon a sensitive surface, photographic or fluorescent, especially a picture of opaque objects traversed by the rays.
- English Word Radiolaria Definition Order of rhizopods, usually having a siliceous skeleton, or shell, and sometimes radiating spicules. The pseudopodia project from the body like rays. It includes the polycystines. See Polycystina.
- English Word Radiolarian Definition Of or pertaining to the Radiolaria.
- English Word Radiolarian Definition One of the Radiolaria.
- English Word Radioli Definition The barbs of the radii of a feather; barbules.
- English Word Radiolite Definition A hippurite.
- English Word Radiometer Definition A forestaff.
- English Word Radiometer Definition An instrument designed for measuring the mechanical effect of radiant energy.
- English Word Radiomicrometer Definition A very sensitive modification or application of the thermopile, used for indicating minute changes of radiant heat, or temperature.
- English Word Radiophone Definition An apparatus for the production of sound by the action of luminous or thermal rays. It is essentially the same as the photophone.