a dome-shaped device used to house a radar antenna.
a protective housing for a radar antenna made from a material that is transparent to radio waves
[rey-don] /ˈreɪ dɒn/ noun, Chemistry. 1. a chemically inert, radioactive gaseous element produced by the decay of : emissions produced by outgassing of rock, brick, etc. are a health hazard. Symbol: Rn; atomic number: 86; atomic weight: 222. /ˈreɪdɒn/ noun 1. a colourless radioactive element of the rare gas group, the most stable isotope of […]
- Radon gas
noun radon Examples We have a radon gas mitigating system. Word Origin 1934
1. radians per second.
[raj-oo-luh] /ˈrædʒ ʊ lə/ noun, plural radulae [raj-oo-lee] /ˈrædʒ ʊˌli/ (Show IPA) 1. a chitinous band in the mouth of most mollusks, set with numerous, minute, horny teeth and drawn backward and forward over the floor of the mouth in the process of breaking up food. /ˈrædjʊlə/ noun (pl) -lae (-ˌliː) 1. a horny tooth-bearing […]