Term: electron optics: the branch of electronics that deals with beams of electrons and their focusing and deflection by magnetic fields
Candidate hypernym: natural science: the sciences involved in the study of the physical world and its phenomena → 1
Candidate hypernym: spermatocele: a swelling on the epididymis or the testis; usually contains spermatozoa → 0
Candidate hypernym: welsh: a breed of dual-purpose cattle developed in Wales → 0
Candidate hypernym: nabumetone: a nonsteroidal anti-inflammatory drug (trade name Relafen) → 0
Candidate hypernym: tropic: either of two parallels of latitude about 23.5 degrees to the north and south of the equator representing the points farthest north and south at which the sun can shine directly overhead and constituting the boundaries of the Torrid Zone or tropics → 0
Candidate hypernym: singularity: the quality of being one of a kind → 0
Candidate hypernym: ileostomy: surgical procedure that creates an opening from the ileum through the abdominal wall to function as an anus; performed in cases of cancer of the colon or ulcerative colitis → 0
Candidate hypernym: elaeis: oil palms → 0
Candidate hypernym: genus salvia: large genus of shrubs and subshrubs of the mint family varying greatly in habit: sage → 0
Candidate hypernym: maundy thursday: the Thursday before Easter; commemorates the Last Supper → 0
Candidate hypernym: partial veil: membrane of the young sporophore of various mushrooms extending from the margin of the cap to the stem and is ruptured by growth; represented in mature mushroom by an annulus around the stem and sometimes a cortina on the margin of the cap → 0