noun🔗Share正中面(rare outside entomology) The mesial plane dividing the body into similar right and left halves."Sentence: "When drawing a butterfly in biology class, the teacher emphasized that the mesons should be perfectly aligned to show bilateral symmetry." "生物の授業で蝶を描く際、先生は左右対称を示すために正中面を完全に合わせるように強調しました。anatomybiologyorganismpartinsectChat with AIVocabulary GamePractice Reading
noun🔗Share中間子A member of a group of subatomic particles having a mass intermediate between electrons and protons. (The most easily detected mesons fit this definition.)"Scientists study mesons to understand the strong force that holds the nucleus of an atom together. "科学者たちは、原子核を結合させている強い力を理解するために中間子を研究しています。physicsmassscienceenergyelementChat with AIVocabulary GamePractice Reading
noun🔗Share中間子(now specifically) An elementary particle that is composed of a quark and an antiquark, such as a kaon or pion. (Mesons composed of rarer quarks are much heavier.)"Scientists study mesons to better understand the fundamental forces that hold matter together. "科学者たちは、物質を結合する基本的な力をより良く理解するために、中間子を研究しています。physicsChat with AIVocabulary GamePractice Reading
