an imaginary line paralleling the equator where a magnetic needle has no dip

an imaginary line paralleling the equator where a magnetic needle has no dip

a serious (often fatal) disease of the immune system transmitted through blood products especially by sexual contact or contaminated needles

a serious (often fatal) disease of the immune system transmitted through blood products especially by sexual contact or contaminated needles

a serious (often fatal) disease of the immune system transmitted through blood products especially by sexual contact or contaminated needles

a serious (often fatal) disease of the immune system transmitted through blood products especially by sexual contact or contaminated needles

a serious (often fatal) disease of the immune system transmitted through blood products especially by sexual contact or contaminated needles

a serious (often fatal) disease of the immune system transmitted through blood products especially by sexual contact or contaminated needles

an antique record player; the sound of the vibrating needle is amplified acoustically

needlessly time-consuming procedure