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  2. Numeral prefix - Wikipedia

    en.wikipedia.org/wiki/Numeral_prefix

    septuagenarian, octogenarian (a person 70–79 years old, 80–89 years old) centipede , millipede (subgroups of arthropods with around 100 feet, or around 1 000 feet) In many European languages there are two principal systems, taken from Latin and Greek , each with several subsystems; in addition, Sanskrit occupies a marginal position.

  3. kyr - Wikipedia

    en.wikipedia.org/wiki/Kyr

    The abbreviation kyr means "thousand years". kyr was formerly common in some English language works, especially in geology and astronomy , for the unit of 1,000 years or millennium . The "k" is the unit prefix for kilo- or thousand with the suffix "yr" simply an abbreviation for "year".

  4. List of medical roots, suffixes and prefixes - Wikipedia

    en.wikipedia.org/wiki/List_of_medical_roots...

    This is a list of roots, suffixes, and prefixes used in medical terminology, their meanings, and their etymologies. Most of them are combining forms in Neo-Latin and hence international scientific vocabulary .

  5. IUPAC numerical multiplier - Wikipedia

    en.wikipedia.org/wiki/IUPAC_numerical_multiplier

    The prefixes are given from the least significant decimal digit up: units, then tens, then hundreds, then thousands. For example: 548 → octa- (8) + tetraconta- (40) + pentacta- (500) = octatetracontapentacta-

  6. Meta (prefix) - Wikipedia

    en.wikipedia.org/wiki/Meta_(prefix)

    Meta (from the μετά, meta, meaning 'after' or 'beyond') is an adjective meaning 'more comprehensive' or 'transcending'. [1]In modern nomenclature, the prefix meta can also serve as a prefix meaning self-referential, as a field of study or endeavor (metatheory: theory about a theory; metamathematics: mathematical theories about mathematics; meta-axiomatics or meta-axiomaticity: axioms about ...

  7. Metric prefix - Wikipedia

    en.wikipedia.org/wiki/Metric_prefix

    The first uses of prefixes in SI date back to the definition of kilogram after the French Revolution at the end of the 18th century. Several more prefixes came into use, and were recognised by the 1947 IUPAC 14th International Conference of Chemistry [5] before being officially adopted for the first time in 1960. [6]

  8. English prefix - Wikipedia

    en.wikipedia.org/wiki/English_prefix

    As is often the case with derivational morphology, many English prefixes can only be added to bases of particular lexical categories (or "parts of speech"). For example, the prefix re-meaning "again, back" is only added to verb bases as in rebuild, reclaim, reuse, resell, re-evaluate, resettle. It cannot be added to bases of other lexical ...

  9. Prefix - Wikipedia

    en.wikipedia.org/wiki/Prefix

    Adding a prefix to the beginning of an English word changes it to a different word. For example, when the prefix un-is added to the word happy, it creates the word unhappy. The word prefix is itself made up of the stem fix (meaning "attach", in this case), and the prefix pre-(meaning "before"), both of which are derived from Latin roots.