and/or meaning

  • And/or (also and or) is a grammatical conjunction used to indicate that one or more of the cases it connects may occur.
  • It is used to describe the precise "or" in logic and mathematics, while an "or" in spoken language might indicate inclusive or or exclusive or.
  • And/or has been used in official, legal and business documents since the mid-19th century, and evidence of broader use appears in the 20th century.

    Definition of and/or in English Dictionary

  • ConjunctionPREand-
    1. Joins two alternatives to mean either or both; indicates that inclusive or is meant where or alone might be taken to mean exclusive or.
      1. List three personal and/or business references.
  • More Examples
    1. Used in the Middle of Sentence
      • Surprisingly, we find that the model parameters behave nonmonotonically as we change the oscillation frequency and/or the gel concentration.
      • This has resulted in the identification of over five thousand new transcriptional multiexonic events in human and/or chimpanzee that are not observed in the rest of species.
      • In all recipients, distant drug resistance markers streptomycin (SmR; rpsL104), chloramphenicol (CmR; recA::cat(FRT)), and/or nalidixic acid (NlR; gyrA96) were used for counterselection.
  • Part-of-Speech Hierarchy
    1. Conjunctions
      • Coordinating conjunctions

    Other Vocabulary

    Look-Alike Words
    1. en anchor
    2. en ardor
    3. en candor
    4. en indoor
    5. en Andoa
    Source: Wiktionary

    Meaning of and/or for the defined word.

    Grammatically, this word "and/or" is a conjunction, more specifically, a coordinating conjunction.
    Definiteness: Level 1
    Definite    ➨     Versatile