regulator

B2 · Upper Intermediate Countable noun

n. a piece of equipment that controls the speed, pressure, or temperature of a machine.

n. a mechanical or electronic device used to maintain a constant level of speed, pressure, voltage, or other physical quantities.

“The diver checked her oxygen regulator before jumping into the water.”

“A faulty pressure regulator caused the boiler to overheat, triggering an automatic emergency shutdown of the entire heating system.”

C2 · Proficiency Countable noun Science Technical

n. a gene that controls how other genes work in your body.

n. a gene involved in controlling the expression of one or more other genes by producing a protein that interacts with DNA.

“Scientists found a regulator gene that helps the body fight off certain diseases.”

“The study identified a master regulator that coordinates the expression of several enzymes involved in cellular metabolism.”

C2 · Proficiency Countable noun Mathematics Technical

n. a special number used in advanced math to describe how certain groups of numbers are spaced.

n. a positive real number that determines the density of the units in Dirichlet's unit theorem within algebraic number theory.

“The professor calculated the regulator of the number field during the lecture.”

“Determining the regulator of a high-degree number field remains a computationally intensive task in modern algebraic research.”