| ERADIATIONS | • eradiations n. Plural of eradiation. • ERADIATION n. emission of radiance. |
| INTERRADIAL | • interradial adj. Between the radii, or rays. • INTERRADIAL adj. between radii or rays. |
| IRRADIANCES | • irradiances n. Plural of irradiance. • IRRADIANCE n. the act of irradiating, also IRRADIANCY. |
| IRRADIATING | • irradiating v. Present participle of irradiate. • IRRADIATE v. to shed light or other rays upon or into. |
| IRRADIATION | • irradiation n. An act of irradiating, or state of being irradiated. • irradiation n. (Obsolete) illumination; irradiance; brilliance. • irradiation n. (Obsolete, figurative) mental light or illumination. |
| IRRADIATIVE | • irradiative adj. That irradiates. • irradiative adj. That involves radiation. • IRRADIATIVE adj. performing irradiation. |
| IRRADIATORS | • irradiators n. Plural of irradiator. • IRRADIATOR n. something or someone that irradiates. |
| MILLIRADIAN | • milliradian n. (Mathematics) An SI unit of plane angular measure equal to one thousandth of a radian. • MILLIRADIAN n. a thousandth of a radian. |
| RADIALISING | • radialising v. Present participle of radialise. • RADIALISE v. to arrange radially, also RADIALIZE. |
| RADIALITIES | • radialities n. Plural of radiality. • RADIALITY n. radial symmetry. |
| RADIALIZING | • radializing v. Present participle of radialize. • RADIALIZE v. to arrange radially, also RADIALISE. |
| RADIATIONAL | • radiational adj. Of or pertaining to radiation. • RADIATIONAL adj. relating to radiation. |
| RERADIATING | • reradiating v. Present participle of reradiate. • RERADIATE v. to radiate again. |
| RERADIATION | • reradiation n. (Physics) The emission of incident radiation. • RERADIATION n. the act of reradiating. |