Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Previous word: optional
Next word: optometrist
Definition of: optometer
(op·tom′ə·tər) noun
An optical instrument for measuring the range of vision of the eye, and its peculiarities as a refracting medium. [<OPT(IC) + -(O)METER]
Comment about this word, ask questions, or add new information about this topic: