motion
change in position of an object over time; a body is said to be in motion if it changes its position or orientation with respect to its immediate surroundings
perpetual motion
work continuously done without an external supply of energy
travel
movement of people between geographical locations
amoeboid movement
Most common mode of locomotion in eukaryotic cells
time travel
hypothetical activity of traveling into the past or future
nutation
type of motion in astronomy. A component of the rotating motion of a planet under the influence of gravitational pull by moons, other planets or the central star
surge
event where a glacier can advance substantially
external rotation
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alley-oop
offensive play in basketball
boarding
entry of passengers onto a vehicle, usually in public transportation
post-glacial rebound
rise of land masses that were depressed by the huge weight of ice sheets during the last glacial period
off-roading
driving or riding a vehicle on unsurfaced roads or tracks
nastic movements
non-directional responses to stimuli
aiming
process of pointing a projectile weapon so as to strike the intended target
checked swing
motion by a batter that is stopped before becoming a swing, so that a pitch outside the strike zone may be counted as a ball
electronic structure
state of motion of electrons in an electrostatic field created by stationary nuclei
ground motion
motion of the surface of the earth during an earthquake
travelling with children
movement that takes parents with children to family-oriented tourist attractions
rotation
circular movement of an object around a center or axis of rotation
step over
sports terminology
the wave
example of metachronal rhythm achieved in a packed stadium
slosh dynamics
movement of liquid inside another moving object
linear motion
motion along a dimension of length (straight line in space)
flat movement
mechanics
apparent movement
apparent movement of celestial bodies caused by the rotation and revolution of the Earth
sinistral and dextral
two types of chirality
orbit insertion
entry into a stable orbit around an astronomical object
traffic
movement of road users including pedestrians, ridden or herded animals, vehicles, streetcars, buses and other conveyances, either singly or together, while using the public way for purposes of travel
pass
motion in bullfighting
fluid flow
movement of fluid matter
departure
act of departing or something that has departed; the act of physically moving a way from a place
net service
type of service in sports
swimming stroke
swimming style
tackle
Defensive move in various forms of football
sinking
downward movement
lateral movement
movements made by a horse moving in a direction other than straight forward
channel runoff
outflow of a waterbody
reciprocating motion
repetitive up-and-down or back-and-forth linear motion
material flow
transportation of raw materials, pre-fabricates, parts, components, integrated objects and final products as a flow of entities
gymnastic element
basic motion or posture in gymnastics
periodic motion
periodic physical motion in which position oscillates
cycling
riding a bicycle (transportation, sport, exercise, recreation...)
retrograde motion
orbit or rotation of an astronomical body opposite that of its primary body
atmospheric entry
movement of an object through the gases of an atmosphere from outer space
translational motion
displacement of a solid body in which the distance and orientation of points in the body remain unchanged
rapid plant movement
movement in plant structures occurring over a very short period, usually under one second
mass wasting
geomorphic process by which soil, sand, regolith, and rock move downslope
indexing
fixing a machine position precisely
migration
displacement of a human or animal population