Xerography or electrophotography is a dry photocopying technique. Its fundamental principle was invented by Hungarian physicist PÃ¡l SelÃ©nyi and based on SelÃ©nyi's publications Chester Carlson applied for and was awarded U.S. Patent 2,297,691 on October 6, 1942. The technique was originally called electrophotography.
A retrospective, generally, is a look back at events that took place, or works that were produced, in the past. As a noun, retrospective has specific meanings in medicine, software development, popular culture and the arts. It is applied as an adjective, synonymous with the term retroactive, to laws, standards, and awards.
Meaning: Surgical removal of part of a structure or organ. Classified under: Nouns denoting acts or actions. Hypernyms (resection is a kind of...): operation; surgery; surgical operation; surgical procedure; surgical process (a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body) Hyponyms (each of the following is a kind of resection): transurethral resection of the prostate; TURP (removal of significant amounts of prostate tissue (as in cases of benign prostatic hyperplasia))