R Factor Definition

noun
Any of the conjugative or nonconjugative plasmids that carry and transmit genes responsible for resistance to antibiotics from one bacterium to another.
American Heritage Medicine

Resistance plasmid.

Webster's New World

Origin of R Factor

  • r(esistance)

    From American Heritage Dictionary of the English Language, 5th Edition

R Factor Sentence Examples

  • This R factor corresponds to the relative motions occurred during molecular dynamics (see more at flexibility ).

  • The R-factor measures the resistance of heat transfer of certain materials.

  • For the R-factor, the higher the number means that the materials are insulated better.

  • If a window has a high R-factor and a low U-factor then this window is very energy efficient, which drives up the price.

  • Insulating material is rated based on its R-Factor, a function of thermal resistance, or the ability of the medium to insulate against heat loss.

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