Things That Are Hollow

From drinking straws to tree trunks, let’s explore some classic examples of things that are hollow. Emptied spaces serve many purposes.

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hollow tree stump
Tree Stump
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hollow straw

List of Things That Are Hollow

  • Tube
  • Pipe
  • Bamboo
  • Straw
  • Tunnel
  • Vase
  • Pipe
  • Flute
  • Cavern
  • Log
  • Cylinder
  • Drum
  • Horn
  • Tuba
  • Cone
  • Quiver
  • Barrel
  • Megaphone
  • Echo
  • Reed
  • Airship
  • Tunnels
  • Whistle
  • Ocarina
  • Hornet's nest
  • Dugout canoe
  • Wind chime
  • Didgeridoo
  • Straw (for drinking)
  • Cavity
  • Hollow log
  • Tunnel vision
  • Kayak
  • Reed instrument
  • Wind tunnel
  • Hollow ball
  • Echo chamber
  • Pothole
  • Empty bottle
  • Nest
  • Hollow sphere
  • Trench
  • Bird's nest
  • Gourd
  • Hive
  • Hollow rock
  • Tube sock
  • Corridor
  • Hollow Tree Stump

Tube - Long hollow tubes transport everything from letters to liquids, protecting contents traveling between destinations.

Pipe - Plumbers piece together hollow pipes carrying water and gas essentials underneath homes and streets.

Bamboo - Fast growing bamboo stalks stand structurally strong yet hollow inside, versatile for construction and crafts.

Straw - Humble hollow straws sip beverages mess-free, redirecting liquid via accessible empty chamber.

Tunnel - Vehicles queue to enter lengthy underground passages with hollow insides under mountains or water.

Vase - Lovely cut flowers adorn hollow vase interiors, showcasing bouquets in an anchor of empty space.

Flute - Lightweight hollow flutes trill melodies, musicians directing breath across openings to activate lilting notes.

Cavern - Below ground, hollow cavernous spaces generate wondrous geological formations welcoming spelunkers.

Log - Log cabins stack horizontal hollowed logs, sturdy building blocks sheltering inhabitants for centuries.

Cylinder - Compressed gases fill strong hollow metal cylinders conveniently, fueling camping stoves and fire extinguishers.

Drum - Percussionists beat booming rhythms stretched tightly across hollow drums in every band and orchestra.

Horn - Orchestral musicians blast triumphant fanfares through coiled hollow horns sending bold notes ringing out.

Cone - Hollow cones give shape to scoops of frozen treats on sugar ones and protect traffic in orange plastic markers.

Quiver - Archers house supplies of hollow-shafted arrows in back slung leather quivers while roaming wilderness.

Barrel - Distillers age spirits in oak barrels to impart flavor complexity drawn from the hollow insides.

Megaphone - Cheerleaders root for teams through cone-shaped mega-phones carrying distant hollow shouts.

Echo - Calling loudly into canyons produces mimicking hollow echoes repeating words and noises.

Reed instrument - Clarinets and reed organs channel vibrations creating hollow-sounding music loved for centuries.

Airship - Early aviators tested concepts by piloting experimental inflated hollow canvas airship balloons.

Tree trunk - A hollow torso makes this tree still stand despite fungi and beetles attacking insides.

Whistle - Referees' shrill whistles pierce the air sharply thanks to a hollow chamber amplifying blown breath.

Ocarina - Ancient hollow ocarina wind instruments whistle sweet, whispery notes through strategically placed sound holes.

Hornet's nest - Caution! Papery gray hornet hive shells may appear hollow and empty but active nests house stinging fury.

Dugout canoe - Indigenous people hollowed sturdy logs by fire and hand forming stable dugout boats for fishing.

Wind chime - Breezes flutter lightweight hollow wind chimes, generating cheerful tingling sound gardens.

Didgeridoo - Skilled Australian players drone mesmerizing tones through roughly hollowed eucalyptus branch pipes.

Drinking straw - Soda fountain customers sip bubbly drinks up hollow straws, precursors for eco-minded paper versions.

Tooth cavity - Bacteria erode tooth enamel eventually hollowing nerves, creating extremely painful cavities needing fillings.

Hollow log - Falling hollow trees offer critters cozy ready-made tunnel homes bordering forest floors.

Kayak - Lightweight one-person kayak hulls cut through water, propelled by paddlers seated in the central hollow.

Wind tunnel - Engineers test aerodynamic theories by directing airflow over miniaturized planes inside specialized hollow chambers.

Empty bottle - Gathering discarded hollow plastic bottles for recycling gives rebirth as fleece jackets and playground equipment.

Bird's nest - Intricate hollow bird's nests woven from grass and twigs cradle next generations hatching high in trees.

Gourd - Gourd vegetables hollow inside transform into rustic serving bowls or painted decor dried post harvest.

Hollow rock - Seemingly solid rocks may contain water-etched hollows underneath providing asylum for snakes and lizards.

Tube sock - Laundry cycles wear holes into sock heels and toes leaving hollow leg sleeves better for dusting than wearing!

Final Words:

There are so many hollow things like tubes, rooms, and instruments put to use in life. The next time you see a tunnel or flute, appreciate the usefulness of its hollowness.

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