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.
[ig-zon-uh-reyt] /ɪgˈzɒn əˌreɪt/ verb (used with object), exonerated, exonerating. 1. to clear, as of an accusation; free from guilt or blame; exculpate: He was exonerated from the accusation of cheating. 2. to relieve, as from an obligation, duty, or task. /ɪɡˈzɒnəˌreɪt/ verb (transitive) 1. to clear or absolve from blame or a criminal charge 2. […]