14-letter words containing ad
- quadrantanopia — (medicine) The loss of vision in one or more quadrants of the field of view.
- quadratic form — a polynomial all of whose terms are of degree 2 in two or more variables, as 5 x 2 − 2 xy + 3 y 2 .
- quadrigeminate — made up of four parts
- quadrilaterals — Plural form of quadrilateral.
- quadrisyllabic — a word or poetic meter with four syllables
- quadrisyllable — a word of four syllables.
- quadrumvirates — Plural form of quadrumvirate.
- quadrupedalism — The condition of being a quadruped.
- quadruple time — a measure consisting of four beats or pulses with accent on the first and third.
- quadruplicated — Simple past tense and past participle of quadruplicate.
- quadruplicates — Plural form of quadruplicate.
- quasi-academic — of or relating to a college, academy, school, or other educational institution, especially one for higher education: academic requirements.
- radar operator — someone who operates the equipment used in radar, a method for detecting the position and velocity of a distant object
- radiant energy — energy transmitted in wave motion, especially electromagnetic wave motion.
- radiant heater — a heater that heats a building by radiant heat emitted from panels containing electrical conductors, hot water, etc
- radiation belt — Van Allen belt.
- radicalization — to make radical or more radical, as in politics: young people who are being radicalized by extremist philosophies.
- radio cassette — A radio cassette is a radio and a cassette player together in a single machine.
- radio engineer — an engineer who designs and repairs equipment used for radio broadcasting
- radio operator — a person who operates or controls a radio transmitter
- radio receiver — an apparatus that receives incoming modulated radio waves and converts them into sound
- radio spectrum — the portion of the electromagnetic spectrum that includes radio waves.
- radioacoustics — the science and technology of the production, transmission, and reproduction of sounds carried by radio waves.
- radioautograph — autoradiograph.
- radiobroadcast — a broadcast by radio.
- radiochemistry — the chemical study of radioactive elements, both natural and artificial, and their use in the study of chemical processes.
- radiodiagnosis — diagnosis by means of radiography or radioscopy.
- radiofrequency — the frequency of the transmitting waves of a given radio message or broadcast.
- radiographical — the production of radiographs.
- radiologically — of or relating to radiology.
- radioresistant — resistant to the effects of radiation
- radiosensitive — (of certain tissues or organisms) sensitive to or destructible by various types of radiant energy, as x-rays, rays from radioactive material, or the like.
- radiosensitize — to make (cells) more sensitive to radiation
- radiostrontium — strontium 90.
- radiotelegraph — a telegraph in which messages or signals are sent by means of radio waves rather than through wires or cables.
- radiotelemeter — the equipment used for radiotelemetry
- radiotelemetry — the use of radio waves for transmitting information from a distant instrument to a device that indicates or records the measurements
- radiotelephone — a telephone in which sound or speech is transmitted by means of radio waves instead of through wires or cables.
- radiotelephony — the constructing or operating of radiotelephones.
- radiotherapist — radiologist
- radium sulfate — a white, crystalline, water-insoluble, poisonous, radioactive solid, RaSO 4 , used chiefly in radiotherapy.
- radium therapy — treatment of disease by means of radium.
- railroad track — railway line
- read-only user — (jargon) Describes a luser who uses computers almost exclusively for reading Usenet, bulletin boards, and/or electronic mail, rather than writing code or purveying useful information. See twink, terminal junkie, lurker.
- reading notice — a short advertisement placed at the bottom of a column, as on the front page of a newspaper, and often set in the same print as other matter.
- readjudication — an act of adjudicating.
- ready reckoner — reckoner (def 2).
- ready-prepared — prepared in advance of use
- recording head — the part of a tape recorder that records a sound source by converting the electrical analog of the sound, as from a microphone, into a magnetic signal for storage on magnetic tape.
- red-lead putty — a compound for caulking pipe joints, made of red lead, white lead, and boiled linseed oil.