Chinese Abacus. The abacus is first known in China from the Northern Song dynasty through the work of Shao Yong (1011-1077). Like many early inventions it is not clear precisely where it originally came from. Some say Central Asia; some Asia Minor and others China.
Snag(noun) a stump or base of a branch that has been lopped off; a short branch, or a sharp or rough branch; a knot; a protuberance. Snag(noun) a tooth projecting beyond the rest; contemptuously, a broken or decayed tooth.
neggingnoun [ U ] /neÉ¡.ÉªÅ/ /neÉ¡.ÉªÅ/ informal. âº the practice of making negative or slightly insulting comments to someone you find attractive in order to make them take an interest in you. (Definition of âneggingâ from the Cambridge Advanced Learner's Dictionary & Thesaurus Â© Cambridge University Press)