connecting rod

noun

|Updated on: 3 Jul 2018

Definition of connecting rod

: a rod that transmits motion between a reciprocating part of a machine (such as a piston) and a rotating part (such as a crankshaft)

Recent Examples of connecting rod from the Web

Hyundai recalled about 470,000 vehicles in September of 2015 because manufacturing debris can restrict oil flow to connecting rod bearings.

— tom krisher, USA TODAY, "NHTSA to investigate fires linked to Hyundai-Kia engine failures," 27 June 2018
Smaller piston skirts cut 27 grams while the connecting rods are 41 grams lighter.

— jeff yip, Houston Chronicle, "2019 Mazda MX-5 gets 26-hp boost," 23 June 2018
The stock internals were replaced with a billet-steel crankshaft, forged pistons, and billet-steel connecting rods for improved strength and durability, and the intake and exhaust systems were redone to optimize airflow.

— tony markovich, Car and Driver, "12/10 Would Drive: Brabus Is Building 10 888-HP Super G-Wagens," 11 Sep. 2017
The hazard stems from substandard bushings provided by a subcontractor and installed on connecting rod assemblies over a 15-month period spanning 2015 and 2016, according to Lycoming.

— andy pasztor, WSJ, "FAA Orders Checks, Repairs to Some Propeller Planes With Lycoming Engines," 10 Aug. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'connecting rod.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.