Meanings

carrier strike group

Havana syndrome (unexplained symptoms experienced by American embassy staff)

additive group

subgroup

locomotive syndrome

to fly in flocks

pregnancy-induced hypertension

freediving blackout

Patau syndrome

Edward's syndrome

panic disorder

Ramsay Hunt syndrome

meconium aspiration syndrome

Geminids

finite group

crowd collapse

control group (in an experiment)

culture-bound syndrome

hurry-up syndrome (degradation of a pilot's performance due to a need to hurry)

Gulf War syndrome