| 【radi】 is a [English Root word(stem)] from the Latin word(s) "radius," and "radiare." It carries the basic meaning of "beam," "spoke," and "ray; staff." |
[English words in the top 5000 most frequently used containing the root "radi"]
radar **[3765] Radar is a way of discovering the position or speed of objects such as aircraft or ships when they cannot be seen, by using radio signals.
radiation **[3447] Radiation consists of very small particles of a radioactive substance. Large amounts of radiation can cause illness and death.
radio ****[283] the system or process that is used for sending and receiving signals through the air without using wires
ray **[3497] Rays of light are narrow beams of light.
[WORD ROOT]root radi
[VARIATIONS OF ROOT] radi, rada, ray, radio, radius
[ETYMOLOGY]root (Latin) radius, radiare
[MEANING]root beam, spoke, ray; staff
【DETAILs OF ORIGIN(ETYMOLOGY】
- 【Latin】 radius [related to radix] beam, ray; staff, stake, rod; spoke of a wheel; ray of light, beam of light; radius of a circle
- 【Latin】 radiare from radius; to beam, shine, gleam; make beaming
Please see the Word information in detail as follows;
| ★★★★(top 2,000) ★★★(top 3,500) ★★(top 4,500) ☆(top 6,000) |
radar ★★[3765] noun from radar 〈 radi
【DEFINITION】 Radar is a way of discovering the position or speed of objects such as aircraft or ships when they cannot be seen, by using radio signals.
【pl.】 radars
【SYNONYM】 radio detecting and ranging
【 Full ☞ radio detection and ranging】
【ROOTs】 rathe; beam, spoke
【Etymology】 《English radar》 [acronym of radio detection and ranging]
【First Known Meaning】 electronic system for locating objects by means of radio waves
radiation ★★[3447] noun from radiate 〈 radi
【DEFINITION】 Radiation consists of very small particles of a radioactive substance. Large amounts of radiation can cause illness and death.
【pl.】 radiations
【COMPOSITION】 radicate + ion
【ROOTs】 ⑴ radi; beam, spoke ⑵ ation(ion); noun suffix
【Etymology】 《Latin radius》 [related to radix] beam, ray; staff, stake, rod; spoke of a wheel; ray of light, beam of light; radius of a circle
【DERIVATIVEs】 radiant, radiately, radiation, radiational, radiationless, radiate
radio ★★★★[283] noun from radio 〈 radi
【DEFINITION】 ① the system or process that is used for sending and receiving signals through the air without using wires
② often used before another noun
③ programs that are broadcast by radio
【pl.】 radios
【ROOTs】 radio(radi); beam, spoke
【Etymology】 《Latin radius》 [related to radix] beam, ray; staff, stake, rod; spoke of a wheel; ray of light, beam of light; radius of a circle
【First Known Meaning】 wireless transmission of voice signals with radio waves
ray ★★[3497] noun from ray 〈 radi
【DEFINITION】 Rays of light are narrow beams of light.
【pl.】 rays
【SYNONYM】 glimmer
【ROOTs】 ray(radi); beam, spoke
【Etymology】 《Latin radius》 [related to radix] beam, ray; staff, stake, rod; spoke of a wheel; ray of light, beam of light; radius of a circle
【First Known Meaning】 ① beam of light ② type of fish related to sharks
Other words containing "radi"; radi, radi?reradiance, radiant, radiate, radiocarbon, radius
【OTHER ROOTs; 】
quest, -quer-, -quir-, quesit-, -quisit-
quass-, quati-, -cuti-, -cuss-
qual
pute
put
pure
punct-, pung
publ-, public-, popul-
psych-, psycho-
proud, pride
