Home > Industry/Domain > Arts & crafts
Arts & crafts
Arts & crafts comprises a multitude of activities and hobbies that involve making things with one's hands, usually from scratch. They can be sub-divided into 'handicrafts'( or traditional crafts ) that are fashioned in an old style using long practised techniques, and the rest which are more modern inventions that have become recent trends or fads.
0Categories 14683Terms
Add a new termContributors in Arts & crafts
Arts & crafts > 
Alcoholism
Health care; Cancer treatment
A chronic disease in which a person craves drinks that contain alcohol and is unable to control his or her drinking. A person with this disease also needs to drink greater amounts ...
Atoroidal surface
Eyewear; Optometry
Surface having mutually perpendicular principal meridians of unequal curvature, of which the cross-section in at least one principal meridian is not circular.
Back vertex focal length
Eyewear; Optometry
Distance in an optical system from the back surface to the focal point measured along the optical axis (axis of symmetry).
Auxiliary lenses
Eyewear; Optometry
Additional corrective lenses to facilitate access to higher refractive powers without an excessive numbers of lenses.
Balancing lens
Eyewear; Optometry
Lens fitted to a spectacle frame or mount to balance the weight and/or the appearance of the other lens.
Atoric lens
Eyewear; Optometry
Lens with astigmatic power in which at least one principal meridian is not spherical.
Back surface
Eyewear; Optometry
That surface of the spectacle lens intended to be fitted nearer to the eye.
