acephalgic

adjective
ace·phal·gic | \ˌā-sə-ˈfal-jik \

Medical Definition of acephalgic 

of a migraine

: characterized by visual sensations (such as flashing or flickering lights) without an accompanying headache Approximately 20% of migraineurs may experience acephalgic attacks of migraine at one time or another.— Donald M. Pedersen, The Journal of Family Practice, May 1991

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one that holds something together

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