Phot
4 lettersnounrareUpdated June 2026
Definition
A unit of illuminance equal to one lumen per square centimetre, equivalent to ten thousand lux.
“Early photometric instruments calibrated their readings in phots before the lux was adopted internationally.”
Word Game Tips
Wordle
Starts with PH, single vowel O, ends in T, making it look like a truncated word
Scrabble
Worth 9 points with H, a rare technical term, but valid and useful for the H tile
Words Related to Phot
Words one letter different
Change a single letter of “phot” to make these 4-letter words — useful for Wordle and crossword clues.
Add a letter to make a longer word
5-letter words you can spell by adding one letter to “phot”.
Longer words starting with Phot
Words that begin with “phot”.
Explore Similar Words
Try These Tools
Dictionary References
Look up phot in an authoritative dictionary for full definitions, pronunciation, and etymology.
Ready to test your word skills?
Download Word Challenge for unlimited word puzzles, a fresh Daily Challenge, and head-to-head multiplayer. Guess the hidden word in six tries or fewer!