Auxocardia
enlargement of the heart, as by hypertrophy or dilatation.
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- Auxochrome
any radical or group of atoms that intensifies the color of a substance. historical examples while phenyldisulphide is colorless, when an auxochrome group is added, such as nh2, the compound is colored. synthesis of 2-methyl-4-selenoquinazolone, 2-phenylbenzoselenazole, and its derivatives y-gwan chen the selenium atom in a cyclic compound also acts like an auxochrome. synthesis of […]
- Auxocyte
noun any cell undergoing meiosis, esp an oocyte or spermatocyte
- 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
- 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 […]