RADICAL QUANTITY
\ɹˈadɪkə͡l kwˈɒntɪti], \ɹˈadɪkəl kwˈɒntɪti], \ɹ_ˈa_d_ɪ_k_əl k_w_ˈɒ_n_t_ɪ_t_i]\
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(Math.) The Radical sign is the sign which indicates that a certain root is to be extracted. A R. quantity is a number or algebraical expression with the radical sign prefixed; thus,√157 is a radical quantity, the radical sign (√)-originally r, for radix, root-prefixed to 157 signifying that the square root is to be extracted, so that √157 denotes an incommensurable number whose square is 157, and which is very nearly equal to 12'53.
By Henry Percy Smith
Word of the day
Platidiam
- An inorganic water-soluble platinum complex. After undergoing hydrolysis, it reacts DNA produce both intra interstrand crosslinks. These crosslinks appear to impair replication and transcription of DNA. The cytotoxicity cisplatin correlates with cellular arrest in G2 phase cell cycle.