ametropia n. any refractive abnormality of the eye, includi...
knockout drops a popular name for a combination of chloral...
questionnaire n. a set of questions or other prompts used t...
neurobiotaxis n. the growth of a nerve fiber toward the tis...
iconic symbol a linguistic sign (written or spoken word) th...
opiate n. any of a variety of natural and semisynthetic com...