a catalytic method for producing sulfuric acid from sulfur dioxide and oxygen.
[kon-takt] /ˈkɒn tækt/ noun 1. the act or state of touching; a touching or meeting, as of two things or people. 2. immediate proximity or association. 3. an acquaintance, colleague, or relative through whom a person can gain access to information, favors, influential people, and the like. 4. Electricity. a junction of electric conductors, usually […]
noun, Photography. 1. a contact print, usually of all frames of a developed roll of negative print film, used as a proof print.
- Contact splint
contact splint n. A slotted plate, held by screws, used in the treatment of fracture of long bones.
noun 1. any sport in which physical contact between players is an accepted part of play, as football, boxing, or hockey.
- Contact-type dermatitis
contact-type dermatitis n. Dermatitis that resembles contact dermatitis but is caused by an ingested or injected allergen and is more widespread.