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  • White Box Testing

  • White Paper

    A white paper is an article or short treatise that states a not-too-detailed technical explanation of an architecture, framework, or product technology with the intention of educating industry customers. Typically, a white paper explains the results, conclusions, or construction resulting from some organized committee or research collaboration or design and development effort.

  • WHO

    World Health Organization

  • Whole Broth

  • Wide Area Network (WAN)

    A communications network that covers wide geographic areas such as states and countries.

  • Wild Type

    The form of an organism that occurs most frequently in nature.

  • WIP

    Wash in Place (Integrated automated cleaning method)

  • WIP Lab

    Work In Progress Laboratory

  • WIPO

    World Intellectual Property Organization

  • Withdraw

    In a trial, to end a patient’s participation before he or she reaches the designated end point.

  • Withdrawal (Product)

    A recall of a lot of product that is done voluntarily by a firm, when there is concern about product quality that is not proven. A recall may be mandated by FDA or regulatory bodies.

  • Witness Plate

    Contamination-sensitive material of defined surface area used in lieu of direct evaluation of a specific surface that is either inaccessible or too sensitive to be handled.

  • WMS

    Warehouse Management System

  • WO

    Work Order

  • Wobble Hypothesis

    An explanation of how one tRNA may recognize more than one codon. The first two bases of the mRNA codon has some wobble that permits it to pair with more than one base.

  • Wolfram Syndrome

    A rare autosomal recessive disorder that leads to many different abnormalities, including diabetes mellitus, deafness, and blindness. Patients usually also suffer from severe abnormalities of the nervous system that can be accompanied by behavior problems, psychiatric hospitalizations, and, in 25 percent of cases, suicide attempts.

  • Word

  • Work Breakdown Structure (WBS)

    A simplification of a project to list of tasks with start and end dates and milestones.

  • Work in Progress (WIP)

    The name given to materials that are in the process of being converted into finished product.

  • Workaround

    A sequence of actions the user should take to avoid a problem or system limitation until the computer program is changed. They may include manual procedures used in conjunction with the computer system.

  • Working Cell Bank (Working Cell Seed)

    A culture of cells derived from the master cell bank (master cell seed) and intended for use in the preparation of production cell cultures. The working cell bank (working cell seed) is distributed into containers, processed and stored as described for the master cell bank (master cell seed).

  • Working Cell Blank (WCB)

    (ICH Q5A (R1)/Q5B/Q5D) The WCB is prepared from aliquots of a homogeneous suspension of cells obtained from culturing the MCB under defined culture conditions.

  • Working Seed Lot

    A culture of a microorganism derived from the master seed lot and intended for use in production. Working seed lots in liquid form are distributed into containers and usually stored at or below -70°C.

  • Working Temperature (vessels)

  • Working Volume

    The nominal design volume of a vessel. In a vertical vessel, this level will always be located below the top head weld seam.