Diabolic, Diabolical, a. Fiendish, infernal, satanic, impious, atrocious, wicked. See devilish.
Diacoustics, n. Diaphonics.
Diadem, n.
- 1. Crown.
- 2. Empire, sovereignty.
Diagnostic, a. Distinguishing, characteristic.
Diagram, n. Figure.
Dial, n. Sun-dial.
Dialect, n.
- 1. Provincialism, idiom.
- 2. Language, tongue, speech, form of speech, phraseology, parlance.
Dialectic, n. (Log.) Logic of illusion, negative procedure, progression by negation.
Dialectic, Dialectical, a.
- 1. Logical.
- 2. Negative, critical, exposing limits, exposing inadequacy.
- 3. Idiomatic, provincial.
Dialectician, n. Logician, reasoner.
Dialectics, n.
- 1. Application of logical principles, applied logic.
- 2. Logic, science of the laws of thought, science of reasoning.
Dialogue, n. Colloquy, conference, conversation.
Diameter, n. Distance through the centre (as of a circle), central chord.
Diamond, n.
- 1. Brilliant, crystallized carbon, carbon crystal.