| PSEUDOACIDS | • PSEUDOACID n. a compound which is not an acid but which is isomeric with and transformable into an acid. |
| DIASCORDIUMS | • DIASCORDIUM n. (obsolete) a medicine made from water-germander, etc. |
| DISCOMEDUSAN | • discomedusan n. (Zoology) A jellyfish of the subclass Discomedusae. • discomedusan adj. (Zoology) Of or relating to the subclass Discomedusae. • DISCOMEDUSAN n. a member of the Discomedusae, an order of jellyfishes with flattened umbrella. |
| SURADDITIONS | • suradditions n. Plural of suraddition. • SURADDITION n. (Shakespeare) an additional title or designation. |
| DISACCUSTOMED | • disaccustomed v. Simple past tense and past participle of disaccustom. • DISACCUSTOM v. to free from a habit. |
| DISAUTHORISED | • disauthorised v. Simple past tense and past participle of disauthorise. • DISAUTHORISE v. to deprive of authority, also DISAUTHORIZE. |
| DISCOMEDUSANS | • discomedusans n. Plural of discomedusan. • DISCOMEDUSAN n. a member of the Discomedusae, an order of jellyfishes with flattened umbrella. |
| UNDISSOCIATED | • undissociated adj. Not dissociated. • UNDISSOCIATED adj. not electrolytically dissociated. |
| DISADVENTUROUS | • disadventurous adj. (Obsolete) Unfortunate; calamitous. • DISADVENTUROUS adj. (obsolete) unfortunate. |
| SUPERADDITIONS | • superadditions n. Plural of superaddition. • SUPERADDITION n. addition over and above. |
| UNDERDIAGNOSES | • underdiagnoses v. Third-person singular simple present indicative form of underdiagnose. |
| UNDERDIAGNOSIS | • underdiagnosis n. (Medicine) The failure to diagnose a condition in a significant proportion of patients. |
| DISADVANTAGEOUS | • disadvantageous adj. Not advantageous. • DISADVANTAGEOUS adj. constituting a disadvantage. |
| OXIDOREDUCTASES | • oxidoreductases n. Plural of oxidoreductase. • OXIDOREDUCTASE n. an enzyme that catalyzes an oxidationreduction reaction. |