Auxochromic


any radical or group of atoms that intensifies the color of a substance.
historical examples

notable differences attend the neutralization of the chromophoric and auxochromic groups.
encyclopaedia britannica, 11th edition, volume 6, slice 1 various

noun
a group of atoms that can be attached to a chromogen to convert it into a dye

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  • Auxospore

    noun a diatom cell before its silicaceous cell wall is formed historical examples in the figure one valve alone of the auxospore is seen, the opposite valve not being in focus. the diatomaceae of philadelphia and vicinity charles sumner boyer in conjugation, two cells open and secrete a gelatinous m-ss from which an auxospore is […]

  • Auxotroph

    a mutant organism, especially a microorganism, that has a nutritional requirement not shared by the parent organism. compare prototroph (def 1). noun a mutant strain of microorganism having nutritional requirements additional to those of the normal organism auxotroph aux·o·troph (ôk’sə-trŏf’, -trōf’) n. a mutated microorganism having nutritional requirements that differ from those of unmutated microorganisms […]

  • Auxotonic

    adjective (of muscle contraction) occurring against increasing force auxotonic aux·o·ton·ic (ôk’sə-tŏn’ĭk) adj. relating to a muscle contracting to accommodate an increasing load.

  • Auxotrophic

    a mutant organism, especially a microorganism, that has a nutritional requirement not shared by the parent organism. compare prototroph (def 1). noun a mutant strain of microorganism having nutritional requirements additional to those of the normal organism auxotrophic aux·o·troph·ic (awk-sō-trŏf’ĭk) adj. requiring one or more specific substances for growth and metabolism that the parent organism […]

  • Av node

    atrioventricular node. a-v node n. see atrioventricular node. av node (ā’vē’) see atrioventricular node. [cardiac] atrioventricular node


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