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  1. AMP: [noun] a nucleotide C10H12N5O3H2PO4 composed of adenosine and one phosphate group that is reversibly convertible to ADP and ATP in metabolic reactions — called also#R##N# adenosine monophosphate, adenylic acid; compare cyclic amp.

  2. Word Finder is a tool that helps you find words that match your criteria, whether you need to unscramble letters, start or end with a certain letter, or find a specific word length. You can also explore the wordplay section to learn more about the history, meaning, and usage of various words. Word Finder is the most comprehensive word search of its kind in the Merriam-Webster dictionary.

  3. We're here to help. How to Use Em Dashes (—), En Dashes (–) , and Hyphens (-) Be dashing—and do it well. Absent Letters That Are Heard Anyway. They aren't seen but they are heard. How to Use Accents and Diacritical Marks. You know, the markings above and below letters. A Guide to Using Semicolons.

  4. dictionary: [noun] a reference source in print or electronic form containing words usually alphabetically arranged along with information about their forms, pronunciations, functions, etymologies, meanings, and syntactic and idiomatic uses.

  5. How Strong is Your Vocabulary? Take our 10-question quiz to find out — and maybe learn some new words along the way. You can try it as often as you'd like (we have dozens of different versions). You'll have 10 seconds to answer each question. The faster you answer, the higher your score. The harder the question, the higher your score.

  6. 2 天前 · Make your writing more precise and effective with the Merriam-Webster Thesaurus. Our unique ranking system helps you find the right word fast—from millions of synonyms, similar words, and antonyms. An indispensable English language reference. A.

  7. They're is a contraction that means "they are." Apostrophes indicate where one or more letters have been taken out of a word or words. They generally indicate contraction of two words, as in can't = cannot, we’ve = we have, or he’s = he is, or omission of a letter or letters, as in singin' for singing and 'em for them in stick it to 'em.

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