Wiktionary

English Explanatory Dictionary

Search the English explanatory dictionary by word or word form. Inflections and spelling variants open the canonical dictionary entry.

1 330 825 dictionary entries · 2 152 097 word forms Alphabetical index
Found: 1

imaginary geometry Wiktionary

Absolute geometry, an axiomatised geometry in which the parallel postulate is absent and not replaced by an alternative, and of which Euclidean geometry and some non-Euclidean geometries are subtypes.

What this dictionary covers

Use the English explanatory dictionary for meanings, pronunciation, forms, synonyms, translations, and quick navigation between related entries.

Meanings and pronunciation

Definitions, parts of speech, pronunciations, etymology, and usage notes when they are available from Wiktionary.

Forms and spelling variants

Inflections and common variants resolve to the canonical entry, so users can search naturally.

Translations and related words

Translations link back to the Russian dictionary when a matching Russian entry exists.