| 单词 | Alpha |
| 释义 | Alpha or alpha /alˈfə/noun(in international radio communication) a code word for the letter a alpha /alˈfə/noun
= 1000 adjective
ORIGIN: Gr alpha, from Heb āleph; see aleph and A alphametˈic noun A popular mathematical puzzle in which numbers are replaced by letters forming words alˈpha-blocker noun A drug used to make blood vessels dilate, esp in muscle alpha-chlorˈalose noun A narcotic poison used in bait, eg to control vermin alpha decay noun Radioactive decay involving the emission of alpha particles alpha-fētōprōˈtein noun A protein whose presence in excessive quantities in amniotic fluid has been found to correlate with certain fetal abnormalities, eg those leading to spina bifida alpha-hydroxy acid noun Any of various weak organic acids used in cosmetics alphanūmerˈic or alphanūmerˈical adjective Consisting of, or (of a machine) using, both letters and numbers (also alphamerˈic or alphamerˈical) alphanūmerˈically or alphamerˈically adverb alpha particle noun (physics) A helium nucleus given off by radioactive substances alpha radiation or alpha rays noun (physics) A stream of alpha particles alpha rhythm or alpha wave noun One of the principal slow waves recorded on an electroencephalogram indicating normal relaxed brain activity alˈphasort transitive verb (computing) To sort, esp into alphabetical order (also noun) alˈphatest transitive verb To perform an alpha test on alpha test noun An initial test (cf beta test) of a product (eg new computer software) by its developers alpha wave see alpha rhythm above. alpha and omega Beginning and end |
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