spiral bearing
111bacteria — bacterial, adj. bacterially, adv. /bak tear ee euh/, n.pl., sing. bacterium / tear ee euhm/. ubiquitous one celled organisms, spherical, spiral, or rod shaped and appearing singly or in chains, comprising the Schizomycota, a phylum of the kingdom …
112cell — cell1 cell like, adj. /sel/, n. 1. a small room, as in a convent or prison. 2. any of various small compartments or bounded areas forming part of a whole. 3. a small group acting as a unit within a larger organization: a local cell of the… …
113hand tool — any tool or implement designed for manual operation. * * * Introduction any of the implements used by craftsmen in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to… …
114mathematics — /math euh mat iks/, n. 1. (used with a sing. v.) the systematic treatment of magnitude, relationships between figures and forms, and relations between quantities expressed symbolically. 2. (used with a sing. or pl. v.) mathematical procedures,… …
115particle accelerator — accelerator (def. 7). [1945 50] * * * Device that accelerates a beam of fast moving, electrically charged atoms (ions) or subatomic particles. Accelerators are used to study the structure of atomic nuclei (see atom) and the nature of subatomic… …
116international payment and exchange — ▪ economics Introduction international exchange also called foreign exchange respectively, any payment made by one country to another and the market in which national currencies are bought and sold by those who require them for such… …
117Pandanales — ▪ plant order Introduction diverse order of the monocotyledon (monocot) group, whose 1,345 species range from large arborescent plants of rainforests and coastal areas in the tropics to twining herbs (spice and herb) and lianas (liana), as… …
118Monifieth Sculptured Stones — Monifieth 2, front face The Monifieth Sculptured Stones are a series of five class II and III standing Pictish stones from the early Medieval period found in or around St Regulus church in Monifieth, Angus, Scotland. Uncovered during the… …
119worm — n. & v. n. 1 any of various types of creeping or burrowing invertebrate animals with long slender bodies and no limbs, esp. segmented in rings or parasitic in the intestines or tissues. 2 the long slender larva of an insect, esp. in fruit or wood …
120Leonardo da Vinci — Da Vinci redirects here. For other uses, see Da Vinci (disambiguation). Leonardo da Vinci Self portrait …
