register

n. an official list or book of names, items, or events.

n. a formal or official recording of items, names, or transactions, often maintained in a dedicated book or database.

“The teacher checked the class register to see who was absent today.”

“The parish maintains a historical register of births and deaths dating back to the seventeenth century.”

n. a machine used in a shop for keeping money and recording sales.

n. a cash register; a mechanical or electronic device for calculating and recording sales transactions.

“The shop assistant opened the register to give the customer their change.”

“Modern point-of-sale systems have largely replaced the traditional mechanical register in high-volume retail environments.”

American English

n. the way you speak or write to fit a specific situation, like being formal or casual.

n. a variety of language used for a particular purpose or in a particular social setting.

“You should use a formal register when writing a job application letter.”

“The candidate failed to adjust his register during the interview, using overly colloquial phrasing that the board found inappropriate for the role.”

Academic · Technical

n. the range of notes a voice or instrument can play.

n. the specific part of the range of a voice or instrument.

“The singer moved easily from her low register to very high notes.”

“The clarinet is known for its distinct tonal qualities in the lower chalumeau register compared to its brighter upper notes.”

Technical

n. a very small, fast piece of memory inside a computer's brain.

n. a small amount of high-speed memory within a processor used for immediate data manipulation.

“The CPU stores the result of the calculation in a register.”

“Optimising the code required the developer to manage how data was moved between the main memory and the internal registers.”

Technical

v. to put your name on an official list for something.

v. to enter one's name or details in an official record or list.

“You need to register at the doctor's office before you can see a nurse.”

“New residents are encouraged to register to vote as soon as they establish a permanent address in the district.”

v. to notice something or to show a feeling on your face.

v. to perceive or comprehend something; to express an emotion through facial expression or gesture.

“Shock started to register on his face when he heard the news.”

“It took a few seconds for the gravity of the situation to register with the onlookers.”