| DILATION | • dilation n. The act of dilating. • dilation n. State of being dilated; expansion; dilatation. • dilation n. (Obsolete) Delay. |
| DILUTION | • dilution n. The process of making something dilute. • dilution n. A solution that has had additional solvent, such as water, added to it into order to make it less concentrated. • dilution n. The process of bringing in unskilled workers to replace skilled ones, for example during wartime. |
| DITHIOLS | • dithiols n. Plural of dithiol. • DITHIOL n. a chemical compound consisting of two thiols. |
| DOCILITY | • docility n. The quality of being docile. • DOCILITY n. the quality of being docile. |
| IDIOLECT | • idiolect n. (Linguistics) The language variant used by a specific individual. • IDIOLECT n. an individual's distinctive form of speech. |
| IDOLISTS | • idolists n. Plural of idolist. • IDOLIST n. someone who worships idols. |
| MYTILOID | • mytiloid adj. (Zoology) Resembling or relating to the genus Mytilus or family Mytilidae. • MYTILOID adj. mussel-shaped. |
| SOLIDIST | • solidist n. (Medicine, obsolete) An advocate of, or believer in, solidism. • SOLIDIST n. an advocate of, or believer in, solidism, the doctrine that refers all diseases to morbid changes of the solid parts of the body. |
| SOLIDITY | • solidity n. The state or quality of being solid. • solidity n. Moral firmness; validity; truth; certainty. • solidity n. (Geometry) The solid contents of a body; volume; amount of enclosed space. |
| TOLIDINE | • TOLIDINE n. a type of organic compound, also TOLIDIN. |
| TOLIDINS | • tolidins n. Plural of tolidin. • TOLIDIN n. a type of organic compound, also TOLIDINE. |
| TOLUIDIN | • toluidin n. Alternative spelling of toluidine. • TOLUIDIN n. any one of three amido derivatives of toluene analogous to aniline, also TOLUIDINE. |
| TRIPLOID | • triploid adj. (Genetics) Having three sets of chromosomes. • triploid n. A triploid cell. • triploid n. A triploid organism. |
| UTILIDOR | • utilidor n. A utility corridor. • UTILIDOR n. (Canadian) an insulated system of pipes for use in arctic regions. |