injection

B2 · Upper Intermediate Countable noun

n. a large amount of money added to a business or project to help it succeed.

n. the provision of a significant amount of capital to an organization to improve its financial health or support a specific project.

日本語:投入※

“The small company survived thanks to a cash injection from a new investor.”

“The government announced a massive injection of funds into the public transport sector to modernize the aging rail infrastructure.”

B2 · Upper Intermediate Uncountable noun Technical

n. the way fuel is forced into an engine to make it run.

n. the pressurized introduction of fuel into the combustion chamber of an internal combustion engine.

日本語:注入※

“Modern cars use electronic fuel injection instead of old-fashioned carburetors.”

“The mechanic explained that a fault in the fuel injection system was causing the engine to stall at high speeds.”

C1 · Advanced Uncountable noun Computing Technical

n. the act of putting extra code into a computer program, often to attack it.

n. the exploitation of a computer bug by processing invalid data to change the course of execution, such as in a SQL injection attack.

“The website was hacked using a common technique called SQL injection.”

“Developers must sanitize all user inputs to prevent malicious code injection that could compromise the database integrity.”

C1 · Advanced Countable noun Mathematics Technical

n. a rule where every starting value matches to a different result.

n. a function that maps distinct elements of its domain to distinct elements of its codomain; a one-to-one mapping.

“In this math problem, we need to prove that the function is an injection.”

“The student demonstrated that the mapping was an injection by showing that no two distinct inputs produced the same output value.”