rotules

Meanings

1. 1nouncountabletechnicalrare

   In anatomy, a small round bone or structure that looks like a wheel, especially the kneecap (patella).

   Grammar: Usually plural; the singular 'rotule' is rare and mainly used in older medical texts.

   Patterns

   • the rotules
   • a rotule

   The X-ray showed a fracture in one of the rotules.

   In comparative anatomy, the rotules of some mammals are more prominent than in humans.

   The surgeon examined the rotules before deciding on the procedure.

2. 2nouncountabletechnicalrare

   In mechanical engineering, a small rotating joint or pivot, often part of a linkage or steering mechanism.

   Grammar: Often used in the plural to refer to a pair or set of such joints.

   Patterns

   • rotules in a mechanism
   • adjust the rotules

   The rotules in the steering assembly needed lubrication.

   Engineers replaced the worn rotules to restore smooth movement.

   A set of rotules connects the rods in this old machine.

Word forms

Common combinations

fractured rotules

The accident left him with fractured rotules in both knees.

examine the rotules

The doctor will examine the rotules during the check-up.

replace the rotules

The mechanic had to replace the rotules in the steering system.

worn rotules

Worn rotules can cause a clicking noise when you turn.

Synonyms and how they differ

kneecap

The everyday term for the bone at the front of the knee; 'rotule' is the technical term used in medicine.

patella

The standard anatomical name for the kneecap; 'rotule' is less common and often found in older texts.

Word family

rotular adjective

Relating to a rotule or the kneecap.

Commonly confused: rotules or rotunda? rotules or rotor?

Practice

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