Term: serum sickness: a delayed allergic reaction to the injection of an antiserum caused by an antibody reaction to an antigen in the donor serum
Candidate hypernym: allergy: hypersensitivity reaction to a particular allergen; symptoms can vary greatly in intensity → 1
Candidate hypernym: coelenterate: radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms → 0
Candidate hypernym: pigweed: leaves sometimes used as potherbs; seeds used as cereal; southern United States to Central America; India and China → 0
Candidate hypernym: blue mockingbird: mockingbird of Mexico → 0
Candidate hypernym: united states post office: an independent agency of the federal government responsible for mail delivery (and sometimes telecommunications) between individuals and businesses in the United States → 0
Candidate hypernym: stentor: any of several trumpet-shaped ciliate protozoans that are members of the genus Stentor → 0
Candidate hypernym: radiation: a radial arrangement of nerve fibers connecting different parts of the brain → 0
Candidate hypernym: biogeographical region: an area of the Earth determined by distribution of flora and fauna → 0
Candidate hypernym: posterior vein of the left ventricle: arises near the apex of the heart and empties into the coronary sinus → 0
Candidate hypernym: computer accessory: an accessory for a computer → 0
Candidate hypernym: unorthodoxy: the quality of being unorthodox → 0