基本的な定義と意味 | Dictionary.com

FUNDAMENTAL Definition & Meaning | Dictionary.com Synonyms fundamental American [fuhn-d uh - men -tl] / ˌfʌn dəˈmɛn tl / adjective serving as, or being an essential part of, a foundation or basis; basic; underlying. fundamental principles; the fundamental structure. Synonyms: primary , indispensable of, relating to, or affecting the foundation or basis. a fundamental revision. being an original or primary source. a fundamental idea. Music. (of a chord) having its root as its lowest note. noun a basic principle, rule, law, or the like, that serves as the groundwork of a system; essential part. to master the fundamentals of a trade. Also called fundamental tone . Also called fundamental note, . Music. the root of a chord. the generator of a series of harmonics. Physics. the component of lowest frequency in a composite wave. fundamental British / ˌfʌndəˈmɛntəl / adjective of, involving, or comprising a foundation; basic of, involving, or comprising a source; primary music denoting or relating to the principal or lowest note of a harmonic series of or concerned with the component of lowest frequency in a complex vibration "Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 noun a principle, law, etc, that serves as the basis of an idea or system the principal or lowest note of a harmonic series the bass note of a chord in root position Also called: fundamental frequency . first harmonic . physics the component of lowest frequency in a complex vibration the frequency of this component "Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Other Word Forms fundamentality noun fundamentally adverb fundamentalness noun nonfundamental adjective nonfundamentally adverb unfundamental adjective unfundamentally adverb Etymology Origin of fundamental First recorded in 1400–50; late Middle English, from Medieval Latin fundāmentālis “of, belonging to a foundation”; see fundament , -al 1 Explanation When asked what the fundamental , or essential, principles of life are, a teenager might reply, "Breathe. Be a good friend. Eat chocolate. Get gas money." Fundamental has its roots in the Latin word fundamentum , which means "foundation." So if something is fundamental, it is a key point or underlying issue — the foundation, if you will — that the thing is built upon. Teachers argue that math fundamentals include memorizing the times tables and understanding long division. Many people would also argue that math fundamentals should include knowing how to use a calculator and knowing where the calculator's extra batteries are kept. Keep Reading on Vocabulary.com Vocabulary lists containing fundamental The Universal Declaration of Human Rights (1948) Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide! Mahatma Gandhi's "Quit India" Speech Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use! Vocabulary from "Community is the 'killer app' missing from virtual reality" by Dmitri Williams Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time! Example Sentences Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com. In fundamental ways, today’s standoff is very different from the Tanker War, which got its name from attacks both Iraq and Iran mounted on oil infrastructure during their lengthy conflict during the 1980s. From The Wall Street Journal • May 5, 2026 A comprehensive, easily shareable digital health record is a fundamental first step for creating a health system that is responsive, efficient, affordable, and worthy of us all. From MarketWatch • May 4, 2026 In a statement, the Nigerian presidency played down the significance of the defections, suggesting they reflected "the normal fluidity of democratic politics" rather than any fundamental shift. From BBC • May 4, 2026 But just because there are fundamental problems with the studio system, it doesn’t mean that Angel’s mission to “amplify light” shouldn’t raise an eyebrow. From Salon • May 3, 2026 Figure 3.13: The fundamental pitch is produced by the whole string vibrating back and forth. From "Understanding Basic Music Theory" by Catherine Schmidt-Jones and Russel Jones Related Words central constitutional crucial elemental elementary essential indispensable integral intrinsic major necessary paramount principal radical significant structural theoretical underlying vital Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023 Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.