| binary fission | <cell biology> Division of a cell into two daughter cells after DNA replication and nuclear division (mitosis). A form of asexual reproduction. (09 Oct 1997) |
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| binary | Compounded or consisting of two things or parts; characterised by two (things). Binary arithmetic, that in which numbers are expressed according to the binary scale, or in which two figures only, 0 and 1, are used, in lieu of ten; the cipher multiplying everything by two, as in common arithmetic by ten. Thus, 1 is one; 10 is two; 11 is three; 100 is four, etc. <chemistry> Binary compound, the theory that all chemical compounds consist of two constituents of opposite and unlike qualities. Origin: L. Binarius, fr. Bini two by two, two at a time, fr. Root of bis twice; akin to E. Two: cf. F. Binaire. Source: Websters Dictionary (01 Mar 1998) |
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| binary acid | <chemistry> This refers to any compound that acts as an acid and which is composed of hydrogen plus only one other element. (09 Oct 1997) |
| binary collisions | <radiobiology> Collisions involving only two particles, multiparticle collisions (e.g., three-body collisions) are usually neglected or approximated. (09 Oct 1997) |
| binary combination | The name of a species of bacteria consisting of two parts: a generic name and a specific epithet. (05 Mar 2000) |
| binary complex | A noncovalent complex of two molecules; often referring to the enzyme-substrate complex in an enzyme-catalyzed reaction. Compare: central complex, Michaelis complex. Synonym: enzyme-substrate complex. (05 Mar 2000) |
| binary compound | <chemistry> This refers to any compound that is composed of only two elements. (09 Oct 1997) |
| binary digit | The smallest unit of digital information expressed in the binary system of notation (either 0 or 1). The signal in computing. (05 Mar 2000) |
| binary nomenclature | The system of nomenclature in which the names of species are composed of two parts, a generic name and a specific epithet (species name, in botany). Synonym: binary nomenclature, binomial nomenclature. Origin: Carl von Linne (05 Mar 2000) |
| binary process | A random event with two exhaustive and mutually exclusive outcomes; a Bernoulli process. (05 Mar 2000) |
| bud fission | 1. <biology> The formation of a new individual, either animal or vegetable, by a process of budding; an asexual method of reproduction; gemmulation; gemmiparity. See Budding. 2. <botany> The arrangement of buds on the stalk; also, of leaves in the bud. Origin: Cf. F. Gemmation. Source: Websters Dictionary (01 Mar 1998) |
| multiple fission | Division of the nucleus, simultaneously or successively, into a number of daughter nuclei, followed by division of the cell body into an equal number of parts, each containing a nucleus. (05 Mar 2000) |
| simple fission | Division of the nucleus and then the cell body into two parts. See: binary fission. (05 Mar 2000) |
| nuclear fission | Nuclear reaction in which the nucleus of a heavy atom such as uranium or plutonium is split into two approximately equal parts by a neutron, charged particle, or photon. (12 Dec 1998) |
| fission | A type of cell division in which overall (i.e., not localised) cell growth is followed by septum formation which typically divides the fully grown cell into two similar or identical cells. (09 Oct 1997) |
| fission fungi | <biology> An order of Schizophyta, including the so-called fission fungi, or bacteria. See Schizophyta, in the Supplement. Origin: NL, fr. Gr. To split +, -, a fungus. Source: Websters Dictionary (01 Mar 1998) |