radiation

/ˌreɪdiˈeɪʃən/

意味: 放射線、放射

例文: The scientist measured radiation levels.
　　  科学者は放射線量を測定した。

言葉のよくある組み合わせ: radiation therapy(放射線療法), radiation exposure(放射線被曝), radiation level(放射線レベル)

定義: 放射線とは、エネルギーが波や粒子の形で空間を通って移動することです。自然界や人工的なものから発生します。放射線には、光や電波のような無害なものと、X線やガンマ線のような有害なものがあります。有害な放射線は、人体に影響を与えることがあります。

radiationは約50,000語に1回程度の頻出度です。

口語性、形式性、抽象度、感情度 - 横向き棒グラフ

水平グラフ: 会話での使われやすさ、フォーマル度、抽象度（具体・概念）、感情度を示します。数値が高いほど、その特徴が強いことを表します。

感情分析 レーダーチャート

感情グラフ: 怒り、期待、嫌悪、恐れ、喜び、悲しみ、驚き、信頼、ポジティブ、ネガティブの強さを示します。

Definitions(定義)

Noun: energy that is radiated or transmitted in the form of rays or waves or particles
Noun: the act of spreading outward from a central source
Noun: syndrome resulting from exposure to ionizing radiation (e.g., exposure to radioactive chemicals or to nuclear explosions); low doses cause diarrhea and nausea and vomiting and sometimes loss of hair; greater exposure can cause sterility and cataracts and some forms of cancer and other diseases; severe exposure can cause death within hours
Noun: the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay
Noun: the spread of a group of organisms into new habitats
Noun: a radial arrangement of nerve fibers connecting different parts of the brain
Noun: (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance

Parts of Speech(品詞)

Noun

Examples(例文)

感情分析に使用された例文：

Radiation can be harmful in large amounts.(大量の放射線は有害になり得ます。)
The doctor explained the effects of radiation clearly.(医者は放射線の影響を明確に説明しました。)
We use radiation to treat certain types of cancer.(特定のがん治療に放射線を使います。)

 

Word Netから抽出した例文：

Noun: he was suffering from radiation

Synonyms/Antonyms(類語/反意語)

Synonyms(類語): actinotherapy, irradiation, radiation, radiation sickness, radiation syndrome, radiation therapy, radioactivity, radiotherapy

Antonyms(反意語):

Hypernyms/Hyponyms(上位語/下位語)

Hypernyms (General categories)(上位語): emission, energy, natural process, neural structure, spread, syndrome, therapy

Coordinate Terms(同じ上位語をもつもの): absorption, acidification, activation energy, adiabatic process, aeration, alternative energy, antiredeposition, aromatherapy, atomic energy, attention deficit disorder, autism, autonomic nervous system, binding energy, brain, brainstem, capture, center, centrifugation, cerebellar hemisphere, cerebellum, cerebral cortex, cerebrum, cervical disc syndrome, chemical energy, chemical process, chemotherapy, chinese restaurant syndrome, chromatography, cingulate gyrus, concretion, condensation, conn’s syndrome, convection, correction, curdling, decay, demagnetization, desorption, diencephalon, diffusion, discharge, dispersion, dissolution, distillation, drift, effervescence, electricity, electrophoresis, electrotherapy, energy level, establishment, extinction, extraction, feedback, fetal alcohol syndrome, field emission, filtration, flocculation, flow, forebrain, formation, fossilization, ganglion, geniculate body, geological process, gulf war syndrome, hardening, heat, heliotherapy, hemisphere, hindbrain, hippocampus, hormone replacement therapy, horner’s syndrome, hypothalamus, immunotherapy, inactivation, inflation therapy, infrared therapy, invasion, ion exchange, ionization, iontophoresis, irradiation, klinefelter’s syndrome, leach, limbic system, magnetization, malabsorption syndrome, mamillary body, materialization, mechanical energy, medication, medulla oblongata, megavitamin therapy, midbrain, munchausen’s syndrome, myelencephalon, neencephalon, nephrotic syndrome, noonan’s syndrome, nuclear reaction, nucleus, occupational therapy, olfactory bulb, opacification, oscillation, oxygenation, pair production, paleencephalon, paleocerebellum, phantom limb syndrome, phase change, photoelectric emission, photoemission, physical therapy, phytotherapy, pons, precession of the equinoxes, premenstrual syndrome, psychotherapy, pyriform area, radiant energy, radiation, radiation sickness, radiotherapy, ramsay hunt syndrome, reflex arc, refrigeration, reiter’s syndrome, release, rest energy, restless legs syndrome, reye’s syndrome, saltation, scalenus syndrome, scattering, secondary emission, sericulture, shock therapy, sink, soak, softening, sorption, source, speech therapy, spinal cord, stiffening, stimulation, substantia nigra, subthalamus, succession, survival, synergy, telencephalon, temperature change, tetany, tetralogy of fallot, thalamus, thermionic emission, thermotherapy, thoracic outlet syndrome, thrombolytic therapy, tietze’s syndrome, tourette’s syndrome, toxic shock, transduction, transpiration, vermis, vitrification, waterhouse-friderichsen syndrome, williams syndrome, work, zollinger-ellison syndrome

Hyponyms (Specific examples)(下位語): adaptive radiation, bombardment, corpuscular radiation, cosmic radiation, electromagnetic radiation, ionizing radiation, phototherapy, radium therapy, solar radiation, x-ray therapy

Derivationally Related Words(派生語)

Derivationally Related Words: radiate, radioactive, radiotherapist

Categories(カテゴリー)

Domain Categories: medical, science

Usage Category: common

Usage Context: general

Grammatical Notes:

Prefixes/Suffixes(接頭辞/接尾辞)

Prefixes(接頭辞):

Suffixes(接尾辞): ation

Exam Level

英検準1級

Media Appearance(メディア登場例)

Books(洋書):

Movies(映画):

Other Information(その他)

Is Abstract?(抽象的な言葉?) Yes

Is Emotion Word?(感情的な言葉?) Yes

Emotion Categories: fear, negative