free field in acoustics, a sound field that has no reflecti...
bruxism n. persistent grinding, clenching, or gnashing of t...
frotteurism n. in DSM–IV–TR, a paraphilia in which an indiv...
alter ego 1. a second identity or aspect of a person that e...
hyposomnia n. a reduction in a person’s sleep time, often a...
Snellen chart a device for testing visual acuity, consistin...