There are 10 13-letter words that end with 'meter'.
| accelerometer | hemacytometer | 
| hemocytometer | potentiometer | 
| saccharimeter | saccharometer | 
| pyrheliometer | reflectometer | 
| refractometer | submillimeter | 
Note: These 10 13-letter words that end with 'meter' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with ometer, imeter, ameter, tmeter, emeter, mmeter, wmeter, rmeter, umeter, ymeter.
7-letter words end with 'meter' (2)