Term: orthicon: a now obsolete picture pickup tube in a television camera; electrons emitted from a photoemissive surface in proportion to the intensity of the incident light are focused onto the target causing secondary emission of electrons
Candidate hypernym: object: a tangible and visible entity; an entity that can cast a shadow → 1
Candidate hypernym: testa: protective outer layer of seeds of flowering plants → 0
Candidate hypernym: pot: metal or earthenware cooking vessel that is usually round and deep; often has a handle and lid → 0
Candidate hypernym: fiscal year: any accounting period of 12 months → 0
Candidate hypernym: glottal stop: a stop consonant articulated by releasing pressure at the glottis; as in the sudden onset of a vowel → 0
Candidate hypernym: epiglottis: a flap of cartilage that covers the windpipe while swallowing → 0
Candidate hypernym: mushroom: common name for an edible agaric (contrasting with the inedible toadstool) → 0
Candidate hypernym: footprint: a mark of a foot or shoe on a surface → 0
Candidate hypernym: poisonous plant: a plant that when touched or ingested in sufficient quantity can be harmful or fatal to an organism → 0
Candidate hypernym: thing: an action → 0
Candidate hypernym: quaternary ammonium compound: a compound derived from ammonium with hydrogen atoms replaced by organic groups; used as surface-active agents, disinfectants, and in drugs → 0