7 letter word starting with rad

Words Parts of Speech Meaning/Definition/Similar Words
raddock noun The ruddock.
radiale noun The bone or cartilage of the carpus which articulates with the radius and corresponds to the scaphoid bone in man., Radial plates in the calyx of a crinoid.
radiant adjective Emitting or proceeding as from a center; resembling rays; radiating; radiate., Especially, emitting or darting rays of light or heat; issuing in beams or rays; beaming with brightness; emitting a vivid light or splendor; as, the radiant sun., Beaming with vivacity and happiness; as, a radiant face., Giving off rays; — said of a bearing; as, the sun radiant; a crown radiant., Having a raylike appearance, as the large marginal flowers of certain umbelliferous plants; — said also of the cluster which has such marginal flowers., The luminous point or object from which light emanates; also, a body radiating light brightly., A straight line proceeding from a given point, or fixed pole, about which it is conceived to revolve., The point in the heavens at which the apparent paths of shooting stars meet, when traced backward, or whence they appear to radiate.
radiary noun A radiate.
radiata noun pl. An extensive artificial group of invertebrates, having all the parts arranged radially around the vertical axis of the body, and the various organs repeated symmetrically in each ray or spheromere.
radiate verb i. To emit rays; to be radiant; to shine., To proceed in direct lines from a point or surface; to issue in rays, as light or heat., To emit or send out in direct lines from a point or points; as, to radiate heat., To enlighten; to illuminate; to shed light or brightness on; to irradiate., Having rays or parts diverging from a center; radiated; as, a radiate crystal., Having in a capitulum large ray florets which are unlike the disk florets, as in the aster, daisy, etc., Belonging to the Radiata., One of the Radiata.
radical adjective Of or pertaining to the root; proceeding directly from the root., Hence: Of or pertaining to the root or origin; reaching to the center, to the foundation, to the ultimate sources, to the principles, or the like; original; fundamental; thorough-going; unsparing; extreme; as, radical evils; radical reform; a radical party., Belonging to, or proceeding from, the root of a plant; as, radical tubers or hairs., Proceeding from a rootlike stem, or one which does not rise above the ground; as, the radical leaves of the dandelion and the sidesaddle flower., Relating, or belonging, to the root, or ultimate source of derivation; as, a radical verbal form., Of or pertaining to a radix or root; as, a radical quantity; a radical sign. See below., A primitive word; a radix, root, or simple, underived, uncompounded word; an etymon., A primitive letter; a letter that belongs to the radix., One who advocates radical changes in government or social institutions, especially such changes as are intended to level class inequalities; — opposed to conservative., A characteristic, essential, and fundamental constituent of any compound; hence, sometimes, an atom., Specifically, a group of two or more atoms, not completely saturated, which are so linked that their union implies certain properties, and are conveniently regarded as playing the part of a single atom; a residue; — called also a compound radical. Cf. Residue., A radical quantity. See under Radical, a., A radical vessel. See under Radical, a.
radicel noun A small branch of a root; a rootlet.
radicle noun 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., A rootlet; a radicel.
radioli noun pl. The barbs of the radii of a feather; barbules.
radious adjective Consisting of rays, as light., Radiating; radiant.
radices plural of Radix
radixes plural of Radix
radulae plural of Radula