WordReference Random House Unabridged Dictionary of American English © 2026
as•tig•mom•e•ter
(as′tig mom′i tər),USA pronunciation n. [Ophthalm.]
as′tig•mom′e•try, a•stig′ma•tom′e•try, n.
- Ophthalmologyan apparatus for measuring the degree of astigmatism.
- astigm(atism) + -o- + -meter