holmgren yarn test

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• Holmgren yarn test — Holm·gren yarn test hōm grən yärn , hōlm n a method of testing color vision by the use of colored wool yarns called also Holmgren test, Holmgren wool test Holm·gren hȯlm .grān Alarik Frithiof (1831 1897) Swedish physiologist. Holmgren introduced …   Medical dictionary

• holmgren test — noun see holmgren yarn test …   Useful english dictionary

• literature — /lit euhr euh cheuhr, choor , li treuh /, n. 1. writings in which expression and form, in connection with ideas of permanent and universal interest, are characteristic or essential features, as poetry, novels, history, biography, and essays. 2.… …   Universalium