13-Letter Words Containing: _,I,M,R,R,S,Y

• a group of viruses including those causing mumps and measles

• Any qualified majority, specified in advance of a vote, required for the vote to be passed

• failure of one or both testes to move into the scrotum as the male fetus develops

• an antibiotic (trade name Erythrocin or E-Mycin or Ethril or Ilosone or Pediamycin) obtained from the actinomycete Streptomyces erythreus; effective against many Gram-positive bacteria and some Gram-negative

• abnormally high body temperature; sometimes induced (as in treating some forms of cancer)

• a mineral consisting of lead chloride and phosphate; a minor source of lead