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English Dictionary - With Multi-Lingual Search Definitions bi- prefix (infl, en, prefix, cat=prefixes) two (chemistry) An old, common method used to indicate the presence of an acidic hydrogen. In this method, sodium hydrogen sulfate is called sodium bisulfate and sodium hydrogen carbonate is called sodium bicarbonate. This method is not recommended by IUPAC and does not denote a "doubling up" of a specific group, which is reserved for the prefix "di" (e.x. carbon dioxide, CO2). Translations:  French: bi- Italian: bi- Etymology: From bis, twice Derived Terms: (rel-top4, terms derived from bi-) bi biannual bicarbonate biceps bicycle bidirectional (rel-mid4) biennial bifocals bilateral billion bimonthly binary (rel-mid4) binomial biped bipolar biscuit bisect bisection (rel-mid4) bisexual bisexuality bivalve biweekly (rel-bottom)        Find:   Words Starting With:   Words Ending With:   Words Containing:   Words That Match:    Translate Into:    Dutch   French   German    Italian   Spanish     Show 51015202550 results per page. Enter your search terms Submit search form   Web www.allwords.com Browse the Dictionary A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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