noun🔗ShareシータThe eighth letter of the Modern Greek alphabet, ninth in Old Greek: Θ, θ.""In Greek class, we learned that theta is the eighth letter of the alphabet." "ギリシャ語の授業で、シータがアルファベットの8番目の文字であることを学びました。languagemathChat with AIVocabulary GamePractice Reading
noun🔗Share角度の測定The measure of an angle."The math problem asks us to find theta, which is the angle of the triangle. "数学の問題は、三角形の角度であるシータを見つけるように求めています。mathscienceChat with AIVocabulary GamePractice Reading
noun🔗Shareシータ、時間減衰The sensitivity of the value of a derivative with respect to time; the "time decay"."The option's theta was significant; each day, its value decreased noticeably due to time decay. "オプションのシータは重要でした。時間減衰のため、その価値は毎日著しく減少しました。financebusinessmathtimeChat with AIVocabulary GamePractice Reading
noun🔗Shareシータ波Designating a level of brain activity as measured by electroencephalography having a frequency of between four and seven cycles per second (associated with drowsiness in adults)."As the meditation session deepened, the brainwave monitor showed a shift from alpha to theta, indicating increased relaxation and a state close to sleep. "瞑想セッションが深まるにつれて、脳波モニターはアルファ波からシータ波への変化を示し、リラックスの増加と睡眠に近い状態を示しました。physiologymindmedicinefrequencysensationChat with AIVocabulary GamePractice Reading
noun🔗Shareθで表される無声歯摩擦音The voiceless dental fricative represented by θ."In phonetics class, we practiced making the "th" sound in "thin," which is represented by the Greek letter theta. "音声学の授業で、ギリシャ文字のシータで表される「thin」の「th」の音を出す練習をしました。phoneticslanguagelinguisticswordChat with AIVocabulary GamePractice Reading
