noun Download 🔗Share The smallest possible amount of matter which still retains its identity as a chemical element, now known to consist of a nucleus surrounded by electrons. Examples : "A single atom of gold is too small to see with the naked eye. " chemistry physics element substance science energy Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share (history of science) A hypothetical particle posited by Greek philosophers as an ultimate and indivisible component of matter. Examples : "Ancient Greek philosophers believed that everything, even water, was made of tiny, indivisible atoms. " history philosophy theory science physics element Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share The smallest, indivisible constituent part or unit of something. Examples : "A single grain of sand is made up of many atoms. " physics chemistry science element part unit Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share In logical atomism, a fundamental fact that cannot be further broken down. Examples : "The success of the project was an atom of truth, a fundamental piece of evidence that couldn't be further divided into smaller parts. " philosophy logic science Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share The smallest medieval unit of time, equal to fifteen ninety-fourths of a second. Examples : "The history teacher explained that the atom, a unit of time, was used in medieval calendars to mark the passage of time. " time unit history Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A mote of dust in a sunbeam. Examples : "The tiny atom of dust danced in the sunbeam filtering through the window. " physics science element substance material part Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A very small amount; a whit. Examples : "He only needed a tiny atom of courage to ask his teacher for help. " amount part thing Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share (Lisp) An individual number or symbol, as opposed to a list; a scalar value. Examples : "The variable "age" in the program represents an atom, meaning it holds a single number like 30, not a list of data. " computing technology logic Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A non-zero member of a Boolean algebra that is not a union of any other elements. Or, a non-zero member of a Boolean lattice that has only zero below it. Examples : "In a Venn diagram, an atom is depicted as an area circumscribed by lines but not cut by any line." math logic Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share An element of a set that is not itself a set; an urelement. Examples : "The individual letters in the word "alphabet" are atoms of the set of letters. " math logic element Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share (usually capitalised as "Atom") A member of an age group division in hockey for ten- to 11-year-olds. Examples : "My son's hockey team has a new Atom division, which is for ten- and eleven-year-olds. " sport age group Chat with AIVocabulary GamePractice Reading
