noun🔗Share無理数An irrational number, especially one expressed using the √ symbol."In math class, we learned that numbers like √2 and √5 are called surds because they are irrational and written with a square root symbol. "数学の授業で、√2や√5のような数は無理数であり、平方根の記号で書かれることを学びました。mathnumberChat with AIVocabulary GamePractice Reading
noun🔗Share無声子音A voiceless consonant."In phonetics class, we learned that "p", "t", and "k" are examples of surds because they are consonants produced without vocal cord vibration. "phoneticslinguisticslanguagegrammarwordsoundChat with AIVocabulary GamePractice Reading
