noun, Building Trades.
a bolt inserted into a hole drilled in masonry and mechanically expanded to serve as an anchor for shelves, timbers, etc.
a bolt that expands on tightening, enabling it to be secured into an unthreaded hole
noun, Computers. 1. a card in a computer on which additional chips can be mounted to expand the computer’s capabilities.
noun, Physics. 1. .
[ek-suh-noo-mee-uh, -nyoo-] /ˌɛk səˈnu mi ə, -ˈnyu-/ plural noun 1. items, as tokens or medals, that resemble money but are not intended to circulate as money.
/ˌɛksəʊˈnjuːklɪˌeɪz/ noun 1. an enzyme that is capable of detaching the terminal nucleotide from a nucleic acid chain Compare endonuclease exonuclease ex·o·nu·cle·ase (ěk’sō-nōō’klē-ās’, -āz’, -nyōō’-) n. Any of a group of enzymes that catalyze the hydrolysis of single nucleotides from the end of a DNA or RNA chain.