Check Dictionary
Find out more about a word, its definitions, and word-game validity.
Dictionary Checker helps you quickly verify whether a word appears in the same local English word list used by our word tools.
Valid in These Word Lists
TWL/NWL compatible English word list
Local OneTimeRead word tools dictionary
Meaning of lumen
noun
- In the International System of Units, the derived unit of luminous flux; the light that is emitted in a solid angle of one steradian from a source of one candela. Symbol: lm.
- The cavity or channel within a tube or tubular organ.
- The cavity bounded by a plant cell wall.
- The bore of a tube such as a hollow needle or catheter.
Source: Free Dictionary API.
What is a Dictionary Checker?
A dictionary checker verifies whether a typed word exists in a word list. It is useful for word games, puzzle checks, spelling checks, and quick vocabulary confirmation.
How It Works
The tool cleans the input, compares it against a local English word list, and then tries to load definitions from a free dictionary source when available.