Radicel
Rad″i‐cel (răd″ĭ‐sĕl), n. [Dim. of radix.] (Bot.) A small branch of a root; a rootlet.
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Webster's Dictionary 1913
Webster's Revised Unabridged Dictionary, C. & G. Merriam Co., 1913.
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Radiciflorous
Ra‐dic′i‐flo″rous (rȧ‐dĭs′ĭ‐flō″rŭs), a. [L. radix, -icis, root + flos, floris, a flower.] (Bot.) Rhizanthous.
Radiciform
Ra‐dic″i‐form (rȧ‐dĭs″ĭ‐fôm), a.(Bot.) Having the nature or appearance of a radix or root.
Radicle
Rad″i‐cle (răd″ĭ‐k'l), n. [L. radicula, dim. of radix, -icis, root: cf. F. radicule. See Radix.] (Bot.) (a) The rudimentary stem of a plant which supports the cotyledons in the ...
Radicular
Ra‐dic″u‐lar (rȧ‐dĭk″ū̍‐lẽr), a. Of or pertaining to roots, or the root of a plant.
Radicule
Rad″i‐cule (răd″ĭ‐kūl), n.(Bot.) A radicle.
Radiculose
Ra‐dic″u‐lose′ (rȧ‐dĭk″ū̍‐lōs′), a.(Bot.) Producing numerous radicles, or rootlets.
Radii
Ra″di‐i (rā″dĭ‐ī), n., pl. of Radius.
Radio
Ra″di‐o (?), a. Of or pertaining to, or employing, or operated by, radiant energy, specifically that of electric waves; hence, pertaining to, or employed in, radiotelegraphy.
Radio-
Ra″di‐o– (rā″dĭ‐ō̍–). 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-...
Radio-active
Ra′di‐o–ac″tive (?), a. [Radio- + active.] (Physics) Capable of luminescence under the action of cathode rays, X rays, or any of the allied forms of radiation. — Ra′di‐o–ac‐tiv″...
Radio-flagellata
‖Ra′di‐o–flag′el‐la″ta (–flăj′ĕl‐lā″tȧ), n. pl. [NL. See Radiate, and Flagellata.] (Zoöl.) A group of Protozoa having both flagella and pseudopodia.
Radioconductor
Ra′di‐o‐con‐duc″tor (?), n.(Elec.) A substance or device that has its conductivity altered in some way by electric waves, as a coherer.
Radiograph
Ra″di‐o‐graph (rā″dĭ‐ō̍‐grăf), n. [Radio- + -graph.] (Phys.) A picture produced by the Röntgen rays upon a sensitive surface, photographic or fluorescent, especially a picture o...
Radiograph (2)
Ra″di‐o‐graph (?), n. [Radio- + -graph.] 1. An instrument for measuring and recording solar radiation.2. An image or picture produced upon a sensitive surface, as of a photograp...
Radiograph (3)
Ra″di‐o‐graph, v. t. To make a radiograph of. — Ra′di‐og″ra‐pher (#), n.
Radiography
Ra′di‐og″ra‐phy (?), n. Art or process of making radiographs. — Ra′di‐o‐graph″ic (#), ‐graph″ic‐al (#), a. — Ra′di‐o‐graph″ic‐al‐ly, adv.
Radiolaria
‖Ra′di‐o‐la″ri‐a (rā′dĭ‐ō̍‐lā″rĭ‐ȧ), n. pl. [NL. See Radioli.] (Zoöl.) Order of rhizopods, usually having a siliceous skeleton, or shell, and sometimes radiating spicules. The p...
Radiolarian
Ra′di‐o‐la″ri‐an (rā′dĭ‐ō̍‐lā″rĭ‐an), a.(Zoöl.) Of or pertaining to the Radiolaria. — n. One of the Radiolaria.
Radioli
‖Ra‐di″o‐li (rȧ‐dī″ō̍‐lī), n. pl.; sing. Radiolus (–lŭs). [NL., dim. of L. radius radius: cf. L. radiolus a feeble sunbeam.] (Zoöl.) The barbs of the radii of a feather; barbules.
Radiolite
Ra″di‐o‐lite (rā″dĭ‐ō̍‐līt), n. [L. radius ray + -lite: cf. F. radiolithe.] (Paleon.) A hippurite.
Radiometer
Ra′di‐om″e‐ter (–ŏm″ē̍‐tẽr), n. [L. radius radius + -meter: cf. F. radiomètre.] 1. (Naut.) A forestaff.2. (Physics) An instrument designed for measuring the mechanical effect of...
Radiometry
Ra′di‐om″e‐try (?), n.(Physics) The use of the radiometer, or the measurement of radiation. — Ra′di‐o‐met″ric (#), a.
Radiomicrometer
Ra′di‐o‐mi‐crom″e‐ter (–ō̍‐mī̍‐krŏm″ē̍‐tẽr), n. [Radio- + micrometer.] (Physics) A very sensitive modification or application of the thermopile, used for indicating minute chang...
Radiophare
Ra″di‐o‐phare (?), n. [Radio- + phare.] A radiotelegraphic station serving solely for determining the position of ships. The radius of operation of such stations was restricted ...
Radiophone
Ra″di‐o‐phone (rā″dĭ‐ō̍‐fōn), n. [Radio- + Gr. φωνή sound.] (Physics) An apparatus for the production of sound by the action of luminous or thermal rays. It is essentially the s...
Radiophony
Ra′di‐oph″o‐ny (–ŏf″ō̍‐ny̆), n.(Physics) The art or practice of using the radiophone.