13-letter words containing rad
- paradise lost — an epic poem (1667) by John Milton.
- paradoxically — having the nature of a paradox; self-contradictory.
- post-graduate — of, pertaining to, characteristic of, or consisting of post-graduates: a postgraduate seminar.
- radhakrishnan — Sir Sarvepalli [suhr-vuh-puhl-ee] /ˌsʌr vəˈpʌl i/ (Show IPA), 1888–1975, president of India 1962–67.
- radial engine — an internal-combustion engine having the cylinders arranged in radial opposition, found mainly on older aircraft.
- radial motion — the component of the motion of a star away from or toward the earth along its line of sight, expressed in miles or kilometers per second and determined by the shift in the wavelength of light emitted by the star.
- radialization — the act of forming or arranging in a radial pattern
- radiation fog — fog produced by the nocturnal cooling of the surface boundary layer to a temperature at which its content of water vapor condenses.
- radiationless — not emitting or producing radiation
- radical right — the faction representing extreme right-wing political views; ultraconservatives; reactionaries.
- radiesthesist — a practitioner of radiesthesia
- radio compass — a radio receiver with a directional antenna for determining the bearing of the receiver from a radio transmitter.
- radio contact — communication or contact by means of radio waves
- radio control — remote control by means of radio signals from a transmitter
- radio horizon — the locus of points on the earth's surface where rays from a transmitting antenna are tangent to the surface. The radio horizon for a fixed antenna varies with refraction by the atmosphere of radio waves.
- radio silence — the absence, usually deliberately maintained, of radio transmissions
- radio station — station (def 8).
- radioactinium — the radioactive isotope of thorium having a mass number 227 and a half-life of 18.8 days. Symbol: RdAc, Th 227.
- radioactivate — to make (a substance) radioactive.
- radioactivity — the phenomenon, exhibited by and being a property of certain elements, of spontaneously emitting radiation resulting from changes in the nuclei of atoms of the element.
- radiochemical — pertaining to or involving radiochemistry.
- radiolocation — the method or process of determining the position and velocity of an object by radar.
- radiopacities — opaque to radiation; visible in x-ray photographs and under fluoroscopy (opposed to radiotransparent).
- radiotelegram — a message transmitted by radiotelegraphy.
- radioteletype — Also called radioteletypewriter [rey-dee-oh-tel-i-tahyp-rahy-ter, -tel-i-tahyp-rahy-] /ˌreɪ di oʊˌtɛl ɪˈtaɪpˌraɪ tər, -ˈtɛl ɪ taɪpˌraɪ-/ (Show IPA). a teletypewriter equipped for transmitting or receiving messages by radio instead of wire.
- radius vector — Mathematics. the length of the line segment joining a fixed point or origin to a given point.
- reserve-grade — denoting a sporting team of the second rank in a club
- second-grader — a pupil who is in the second grade
- seventh grade — school year: age 12-13
- slave trading — trafficking in people
- tetradynamous — having four long and two short stamens, as a cruciferous flower.
- trade balance — balance of trade.
- trade barrier — any regulation or policy that restricts international trade, especially tariffs, quotas, etc.
- trade council — a central council composed of local trade unions.
- trade deficit — A trade deficit is a situation in which a country imports goods worth more than the value of the goods that it exports.
- trade dispute — a dispute between workers and their employer
- trade edition — an edition of a book for distribution through general bookstores.
- trade embargo — a government order imposing a trade barrier
- trade figures — a record of how much a country has paid for goods which it has bought from other countries, compared with how much it has been paid for goods which it has sold to other countries
- trade journal — periodical of a profession
- trade mission — commercial business trip
- trade surplus — If a country has a trade surplus, it exports more than it imports.
- traded option — an option that can itself be bought and sold on a stock exchange
- tradesmanlike — like or characteristic of a tradesman
- trading floor — stock exchange: room where trading is done
- trading stamp — a stamp with a certain value given as a premium by a retailer to a customer, specified quantities of these stamps being exchangeable for various articles.
- traditionally — of or relating to tradition.
- twelfth grade — (in the US) the final year of secondary school after which students usually graduate at age 17 or 18
- ultra-radical — of or going to the root or origin; fundamental: a radical difference.
- undergraduate — a student in a university or college who has not received a first, especially a bachelor's, degree.