English Yes, this is a kind of arbitrage. In general, arbitrage is an opportunity to bet with various bookmakers on all the possible outcomes. Thus, the player who has bet on all events receives profit regardless of the outcome.
The simplest type of surebet is a surebet with two arms, i.e. with two opposite outcomes. This kind of arbitrage is easier and faster to bet, because it becomes necessary to work with only two bets at two different bookmakers. These surebets are best suited to beginners. For more proficient players, there are arbitrages with three and four outcomes.
Arbitrage also include so-called middles.