Term: safety valve: a valve in a container in which pressure can build up (as a steam boiler); it opens automatically when the pressure reaches a dangerous level
Candidate hypernym: regulator: any of various controls or devices for regulating or controlling fluid flow, pressure, temperature, etc. → 1
Candidate hypernym: air pocket: a local region of low pressure or descending air that causes a plane to lose height suddenly → 0
Candidate hypernym: hitch: a knot that can be undone by pulling against the strain that holds it; a temporary knot → 0
Candidate hypernym: borderline schizophrenia: schizophrenia characterized by mild symptoms or by some preexisting tendency to schizophrenia → 0
Candidate hypernym: sign industry: an industry that produces signs → 0
Candidate hypernym: galliano: golden Italian liqueur flavored with herbs → 0
Candidate hypernym: patent application: an application for sole rights to an invention → 0
Candidate hypernym: vasovasostomy: a surgical procedure that attempts to restore the function of the vas deferens after a vasectomy → 0
Candidate hypernym: pholiota flavida: a fungus that grows in clusters on the ground; cap is brownish orange with a surface that is smooth and slightly sticky; whitish gills and a cylindrical brown stalk → 0
Candidate hypernym: valve: device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone → 0
Candidate hypernym: catgut: perennial subshrub of eastern North America having downy leaves yellowish and rose flowers and; source of rotenone → 0