| ANATOXIN | • anatoxin n. A bacterial toxin (usually an exotoxin) whose toxicity has been weakened or suppressed. • anatoxin n. A powerful neurotoxin, one of many toxins produced by several species of cyanobacterium. • ANATOXIN n. a potent alkaloid toxin derived from a species of cyanobacteria. |
| EXPONENT | • exponent n. One who expounds, represents or advocates. • exponent n. (Mathematics) The number by which a value (called the base) is said to be raised to a power in exponentiation… • exponent n. (Mathematics, obsolete) The degree to which the root of a radicand is found, for example, the 2 in 2]𝑟=𝑏. |
| NEOTOXIN | • NEOTOXIN n. any harmful substance in the environment causing illness or allergy. |
| NEXTNESS | • nextness n. The fact or condition of immediate succession or proximity; the quality of being next. • NEXTNESS n. the state of being next. |
| NONTAXES | • nontaxes n. Plural of nontax. • NONTAX n. a tax of little consequence. |
| NONTOXIC | • nontoxic adj. Not toxic; not poisonous. • nontoxic n. A substance that is not toxic. • non-toxic adj. Alternative form of nontoxic. |
| TONNEAUX | • tonneaux n. Plural of tonneau. • TONNEAU n. (French) the rear extension of the body of a car. |
| UNTAXING | • untaxing adj. Not taxing. • UNTAX v. to remit a tax on. |
| XANTHANS | • xanthans n. Plural of xanthan. • XANTHAN n. a gum produced by culture fermentation of glucose, used as a stabilizer, also XANTHAM. |
| XANTHEIN | • xanthein n. (Chemistry) The water-soluble part of the yellow carotenoid pigment present in the cell sap of some plants. • XANTHEIN n. a soluble yellow colouring. |
| XANTHENE | • xanthene n. (Organic chemistry) any of a group of tricyclic heterocycles (dibenzopyrans) that are the basis for… • XANTHENE n. a white crystalline compound of carbon, hydrogen and oxygen, from which dyestuffs are derived. |
| XANTHINE | • xanthine n. (Chemistry) Any of a group of alkaloids that include caffeine, theophylline, and theobromine as well… • XANTHINE n. a white substance, structurally related to uric acid, found in muscle tissue, the liver and other organs, also XANTHIN. |
| XANTHINS | • xanthins n. Plural of xanthin. • XANTHIN n. a white substance, structurally related to uric acid, found in muscle tissue, the liver and other organs, also XANTHINE. |
| XANTHONE | • xanthone n. (Organic chemistry) An aromatic ketone, 9-oxo-xanthene, that is used as an insecticide. • XANTHONE n. a ketone analogue of xanthene which forms the basis of various natural pigments. |