Толковый словарь английского языка - watson-crick model

noun Etymology: J. D. Watson & F. H. C. Crick Date: 1958 a model of DNA structure in which the molecule is a cross-linked double-stranded helix, each strand is composed of alternating links of phosphate and deoxyribose, and the strands are cross-linked by pairs of purine and pyrimidine bases projecting inward from the deoxyribose sugars and joined by hydrogen bonds with adenine paired with thymine and with cytosine paired with guanine