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  2. Glossary of mathematical symbols - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_mathematical...

    3. Between two groups, may mean that the first one is a proper subgroup of the second one. > (greater-than sign) 1. Strict inequality between two numbers; means and is read as "greater than". 2. Commonly used for denoting any strict order. 3. Between two groups, may mean that the second one is a proper subgroup of the first one. ≤ 1.

  3. Addition - Wikipedia

    en.wikipedia.org/wiki/Addition

    Addition is commutative, meaning that one can change the order of the terms in a sum, but still get the same result. Symbolically, if a and b are any two numbers, then a + b = b + a. The fact that addition is commutative is known as the "commutative law of addition" or "commutative property of addition".

  4. Word list - Wikipedia

    en.wikipedia.org/wiki/Word_list

    A word list is a list of words in a lexicon, generally sorted by frequency of occurrence (either by graded levels, or as a ranked list). A word list is compiled by lexical frequency analysis within a given text corpus , and is used in corpus linguistics to investigate genealogies and evolution of languages and texts.

  5. Verbal arithmetic - Wikipedia

    en.wikipedia.org/wiki/Verbal_arithmetic

    Verbal arithmetic, also known as alphametics, cryptarithmetic, cryptarithm or word addition, is a type of mathematical game consisting of a mathematical equation among unknown numbers, whose digits are represented by letters of the alphabet. The goal is to identify the value of each letter.

  6. Operation (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Operation_(mathematics)

    For instance, one often speaks of "the operation of addition" or "the addition operation," when focusing on the operands and result, but one switch to "addition operator" (rarely "operator of addition"), when focusing on the process, or from the more symbolic viewpoint, the function +: X × X → X (where X is a set such as the set of real ...

  7. Epenthesis - Wikipedia

    en.wikipedia.org/wiki/Epenthesis

    The word epenthesis comes from epi-' in addition to ' and en-' in ' and thesis ' putting '. Epenthesis may be divided into two types: excrescence for the addition of a consonant , and for the addition of a vowel , svarabhakti (in Sanskrit) or alternatively anaptyxis ( / ˌ æ n ə p ˈ t ɪ k s ɪ s / ).

  8. Lists of English words - Wikipedia

    en.wikipedia.org/wiki/Lists_of_English_words

    List of American words not widely used in the United Kingdom; List of British words not widely used in the United States; List of South African English regionalisms; List of words having different meanings in American and British English: A–L; List of words having different meanings in American and British English: M–Z

  9. Glossary of chemistry terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_chemistry_terms

    addition reaction In organic chemistry, a type of chemical reaction in which two or more molecules combine to make a larger one. adduct A distinct chemical species that is the sole product of an addition reaction between two other distinct reactant species, in which all of the atoms comprising the reactants are retained in the single product ...