bladder
- 01 B2 Upper Intermediate
the organ in your body that holds urine before it leaves the body.
the urinary bladder; a muscular sac in the pelvis that stores urine excreted by the kidneys.
Simple“Drinking a lot of water will fill your bladder quickly.”
In context“The surgeon noted that the patient's bladder was slightly inflamed, likely due to a chronic infection that had gone untreated for several months.”
Synonymsurinary bladder - 02 C1 Advanced
a flexible bag inside something that holds air or liquid, like inside a football.
an inflatable internal bag or sac used to contain gas or liquid within a larger structure.
Simple“The football wouldn't stay inflated because the rubber bladder inside was leaking.”
In context“Modern hydration packs feature a heavy-duty plastic bladder that can withstand significant pressure without bursting during strenuous outdoor activities.”
Synonyms - 03 C2 Proficiency
a small, hollow part of a plant or sea animal that is filled with air.
a hollow, air-filled organ in certain plants or aquatic animals, often providing buoyancy.
Simple“The seaweed has small bladders that help it float on the surface of the water.”
In context“The gas bladder of the fish allows it to maintain its depth in the water column without expending excessive energy on swimming.”
Synonymsvesicleair sac
“This NHS trial found that the Galeas urine test identified 92% of bladder cancer cases.”
From Middle English bladdre, bleddre, bladder, bledder, from Old English blæddre, a variant of blǣdre, blēdre (“blister, bladder”), from Proto-West Germanic blādrā, from Proto-Germanic blēdrǭ, *bladrǭ (“blister, bladder”).
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.