| ACETONE | • acetone n. (Organic chemistry) A colourless, volatile, flammable liquid ketone, (CH3)2CO, used as a solvent. • ACETONE n. the simplest of the ketones; any ketone. |
| DUOTONE | • duotone n. Any picture printed in two shades of the same colour, such as a duotype or duograph. • duotone adj. Having two tones. • DUOTONE n. a drawing etc. done in two tones or colours. |
| ECOTONE | • ecotone n. A transition area between two adjacent ecological communities (ecosystems). • ECOTONE n. a transition area between two adjacent ecological communities. |
| HISTONE | • histone n. (Biochemistry) Any of various simple water-soluble proteins that are rich in the basic amino acids lysine… • HISTONE n. any of a group of simple proteins present in chromosomes and believed to act as gene inhibitors. |
| ISOTONE | • isotone n. (Physics) Any of a number of nuclides of different elements that have the same number of neutrons. • isotone adj. (Mathematics) monotone nondecreasing. • ISOTONE n. one of a number of nuclides having the same number of neutrons in the nucleus with differing numbers of protons. |
| LACTONE | • lactone n. (Organic chemistry) A cyclic intramolecular ester derived from a hydroxy acid. • LACTONE n. a cyclic ester. |
| OXYTONE | • oxytone adj. (Linguistics, of a word) Having the stress or an acute accent on the last syllable. • oxytone n. (Linguistics) A word with the stress or an acute accent on the last syllable. • OXYTONE n. (Greek) a word bearing an acute accent on the last syllable. |
| PEPTONE | • peptone n. (Biochemistry) Any water-soluble mixture of polypeptides and amino acids formed by the partial hydrolysis of protein. • PEPTONE n. a substance resulting from the digestion of protein by pepsin. |
| SUBTONE | • subtone n. A secondary or lesser tone (in sound or colour). • SUBTONE n. a low or subdued tone. |
| SYNTONE | • SYNTONE n. a person having a syntonic temperament. |
| TOSTONE | • tostone n. A Mexican dish of fried, sliced unripe plantain. • TOSTONE n. (Spanish) a Mexican dish of fried plantains. |
| TRITONE | • tritone n. (Music) An interval of three whole tones. • tritone n. A picture printed in three shades. • tritone adj. Having three tones. |