A person is considered to be legally blind if he or she has a best-corrected vision of 20/200 in their best-seeing eye. Many people feel that they are legally blind because when they remove their glasses or contact lenses, they cannot see a foot in front of their face.
â¢ SHEAR (noun). The noun SHEAR has 2 senses: 1. (physics) a deformation of an object in which parallel planes remain parallel but are shifted in a direction parallel to themselves. 2. a large edge tool that cuts sheet metal by passing a blade through it. Familiarity information: SHEAR used as a noun is rare.â¢ SHEAR (verb). The verb SHEAR has 3 senses: 1. cut with shears. 2. shear the wool from. 3. cut or cut through with shears. Familiarity information: SHEAR used as a verb is uncommon.. a large edge tool that cuts sheet metal by passing a blade through it. Familiarity information: SHEAR used as a noun is rare. â¢ SHEAR (verb). The verb SHEAR has 3 senses: 1. cut with shears. 2. shear the wool from. 3. cut or cut through with shears. Familiarity information: SHEAR used as a verb is uncommon.
Shear strength is the maximum shear stress which a material can withstand without rupture. It is the maximum load required to cut off a specimen in such a way that the resulting pieces are entirely clear of each other. It is thus the definitive strength of a material exposed to shear loading.