saccade

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a rapid, jerky movement of the eyes between positions of rest
• Derivationally related forms:
saccadic
• Hypernyms:
eye movement
2. an abrupt spasmodic movement
• Syn:
jerk, jerking, jolt
• Derivationally related forms:
jolty (for: jolt), jolt (for: jolt), jerk (for: jerking), jerky (for: jerk), jerk (for: jerk)
• Hypernyms:
motion, movement, move, motility