Biuniqueness
a principle providing for a one-to-one correspondence between the phonemic and phonetic levels of analysis.
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- Biuret-reaction
biuret reaction Historical Examples The Chemistry of Plant Life Roscoe Wilfred Thatcher The Nature of Animal Light E. Newton Harvey Animal Proteins Hugh Garner Bennett
- Biuret
a white crystalline substance, C 2 H 5 O 2 N 3 ⋅H 2 O, soluble in water and alcohol, used for the identification of urea, from which it is formed on heating. Historical Examples The Chemistry of Plant Life Roscoe Wilfred Thatcher The Nature of Animal Light E. Newton Harvey On Digestive Proteolysis R. […]
- Bivalent
Chemistry. having a valence of two. having two valences, as aluminum with valences of two and three. Genetics. pertaining to associations of two homologous chromosomes. Genetics. a pair of bivalent chromosomes, especially when pairing during meiosis. Historical Examples Chambers’s Twentieth Century Dictionary (part 2 of 4: E-M) Various The Organism as a Whole Jacques Loeb […]
- Bivalence
Chemistry. having a valence of two. having two valences, as aluminum with valences of two and three. Genetics. pertaining to associations of two homologous chromosomes. Genetics. a pair of bivalent chromosomes, especially when pairing during meiosis. noun (logic, philosophy) the semantic principle that there are exactly two truth values, so that every meaningful statement is […]
- Bivalency
Chemistry. having a valence of two. having two valences, as aluminum with valences of two and three. Genetics. pertaining to associations of two homologous chromosomes. Genetics. a pair of bivalent chromosomes, especially when pairing during meiosis. adjective (chem) another word for divalent (of homologous chromosomes) associated together in pairs noun a structure formed during meiosis […]