American Heritage Dictionary
(1)
Century Dictionary
GNU Webster's 1913
WordNet
(1)
Elsewhere on the web
Scientists studying the roundworm Caenorhabditis elegans found that the anticonvulsant drug ethosuximide delays age-related changes and extends the animal's lifespan by inhibiting certain chemosensory neurons (Collins JJ et al. PLoS Genet. 2008; 4 [10]: e1000230).— JAMA current issue
Clonazepam is an anticonvulsant and muscle relaxant that creates a sense of euphoria.— News from www.rep-am.com
Early epilepsy studies involved more than 100 patients and generated data supportive of the efficacy and safety of ganaxolone in the treatment of both children and adults suffering from refractory epilepsy (patients who continue to have seizures despite taking multiple anticonvulsant drugs).
The common antihistamine diphenhydramine (Benadryl), an anticonvulsant and two antidepressants were among the seven types of pharmaceuticals found in the tissue and livers of fish from waterways in or near Chicago, Dallas, Philadelphia, Phoenix and Orlando.— The Canberra Times
"Without FDA approval, drug companies cannot market phenytoin asanything other than an anticonvulsant, and most doctors remain in thedark as to its versatility," he wrote.— CEI -

Bubble size: how much this word was used in a year
Bubble height: used more or less than expected, vs. all uses evenly distributed
We are still working on calculating this word's frequency.