Searching the internet for "race condition definition" and taking the top few results brings several definitions that all agree in spirit with the Wikipedia one (see below).
If you know of any more reliable source that doesn't agree with Wikipedia on the definition of "race condition", please post it here. This is a honest request - I am always grateful to those who correct my mistakes (in good faith).
wordnik [0]: A flaw in a system or process whereby the output or result is unexpectedly and critically dependent on the sequence or timing of other events.
techtarget [1]: A race condition is an undesirable situation that occurs when a device or system attempts to perform two or more operations at the same time, but because of the nature of the device or system, the operations must be done in the proper sequence to be done correctly.
techterms [2]: A race condition occurs when a software program depends on the timing of one or more processes to function correctly.
javatpoint [3]: When the output of the system or program depends on the sequence or timing of other uncontrolled events, this condition is called Race Condition.
technopedia [4]: A race condition is a behavior which occurs in software applications or electronic systems, such as logic systems, where the output is dependent on the timing or sequence of other uncontrollable events.
[0] https://www.wordnik.com/words/race%20condition[1] https://www.techtarget.com/searchstorage/definition/race-con...
[2] https://techterms.com/definition/race_condition
[3] https://www.javatpoint.com/what-is-race-condition
[4] https://www.techopedia.com/definition/10313/race-condition