Select a term to view the definition:
  • Waist circumference

    Professional Description:

    A simple anthropometric measure used to determine an approximate index of the absolute amount of abdominal fat, intra-abdominal fat mass and total body fat.

  • Waist-to-hip ratio

    Professional Description:

    An anthropometric measure that provides and estimate of the relative accumulation of abdominal fat. It is a calculation of the waist circumference divided by hip circumference.

  • Washout Phase

    Professional Description:

    "That stage in a study, especially a therapeutic trial, when treatment is withdrawn so that its effects disappear and the subject’s characteristics return to their baseline state."

    Source: Porta M, ed. A Dictionary of epidemiology, 6th edition. New York: Oxford University Press; 2014.

  • Weight bias

    Professional Description:

    Weight bias is having personal negative attitudes towards and beliefs about others based on their body weight, shape and/or size.

  • Weight discrimination

    Professional Description:

    Weight discrimination refers to individuals or groups of people being treated unfairly based on body weight, shape and/or size.

  • Weight inclusive

    Professional Description:

    “Accept[ing] and respect[ing] the inherent diversity in body shapes and sizes, and rejecting the idealizing or pathologizing of specific weights.”

    Source: Association for Size Diversity and Health (ASDAH). The Health At Every Size® (HAES®) Approach. 2014.

  • Weight Neutral

    Professional Description:

    An intervention that does not affect weight or does not include weight loss goals.

    Source: Mensinger JL, Calogero RM, Stranges S, Tylka TL. A weight-neutral versus weight-loss approach for health promotion in women with high BMI: A randomized-controlled trial. Appetite. 2016 Oct;105:364-74.

  • Weight stigma

    Professional Description:

    Weight stigma is the labelling and social stereotyping of individuals based on their body weight, shape or size.

  • Weight-based Oppression

    Professional Description:

    Negative thoughts and attitudes about body weight, and exposure to teasing, harassment, stigma, prejudice and discrimination based on body weight.

    Cameron E, Russell C. (Eds). The Fat Pedagogy Reader: Challenging Weight-Based Oppression Through Critical Education. Austria: Peter Lang; 2016.

    Wann M. Foreword: Fat Studies: An Invitation to Revolution. In: Rothblum ED, Solovay S (Eds.) The Fat Studies Reader. New York: New York University Press; 2009.

  • Wernicke's encephalopathy

    Professional Description:

    also called Wernicke-Korsakoff syndrome is a brain disorder involving loss of specific brain functions caused by a thiamine deficiency

  • Wheal

    Professional Description:

    Smooth, slightly elevated area on the skin, paler or redder than the surrounding area. Caused by the release of histamine, and its action on the local tissues. The area is often itchy, and the wheal may change in size and shape. Usually disappears within a few hours.

  • Wheal and flare

    Professional Description:

    A positive response to a skin test. The wheal is a central 'blister' which is surrounded by a flat reddened area (the flare). The reaction is caused by the release of histamine and other inflammatory mediators from mast cells in the skin in response to the application of the matching (homologous) antigen (allergen) applied in the test reagent.

  • Wheeze

    Professional Description:

    A continuous musical sound caused by narrowing of the lumen of a respiratory passageway. Often noted only by the use of a stethoscope, it occurs in asthma, croup, hay fever, mitral stenosis, and bronchitis. It may result from asthma, tumours, foreign body airway obstructions, bronchial spasm, pulmonary infections, emphysema and other chronic obstructive lung diseases, or pulmonary edema.

  • Whipple Procedure

    Professional Description:

    also called a pancreaticoduodenectomy, it is generally the removal of the gallbladder, common bile duct, part of the duodenum, and the head of the pancreas

  • Working memory

    Professional Description:

    Refers to memory that is used to plan and carry out behaviour.