self-opening
No manual effort
Self-opening describes something designed to open automatically or without manual effort.
A self-opening door responds to motion sensors or pressure.
Self-opening trash cans lift their lids when you wave a hand.
The term applies to mechanisms, containers, or devices engineered to eliminate the step of opening by hand: self-opening umbrellas, self-opening knife.
Operating without intervention
- hydraulicRelating to pressurized liquids
- sensorInput-detecting device
- motorizedEquipped with engine propulsion
- pneumaticUsing pressurized gas
actuator · hinge · mechanism · trigger · spring-loaded · door · gate · lid
Operating without intervention
- push-buttonDepressible activation mechanism
- compactTightly packed together
- telescopicExtending via nested tubes
- springRecoiling metal spiral
canopy · collapsible · one-touch · retractable · windproof · travel · folding · shaft
automatic
Operating without intervention
- hydraulicRelating to pressurized liquids
- sensorInput-detecting device
- motorizedEquipped with engine propulsion
pneumatic · actuator · hinge · mechanism · trigger · spring-loaded · door · gate · lid · valve
automatic
Operating without intervention
- push-buttonDepressible activation mechanism
- compactTightly packed together
- telescopicExtending via nested tubes
spring · canopy · collapsible · one-touch · retractable · windproof · travel · folding · shaft · ribs
seedpod
Plant's reproductive casing
ripening · splitting · bursting · anther · pollen · spore · legume · follicle · explosive · tension
pull-tab
Lever opening sealed cans
- resealableAble to close again
- containerThing for storing items
- pouchSmall flexible bag
carton · envelope · box · wrapper · seal · perforated · tab · can · lid · vacuum-sealed
self-openingnon-automatic
Requiring human control
manual · mechanical · fixed · sealed · passive
self, opening, selves, selfhood, selfless, selflessness, selfish, selfishness, selfie