hash

B1 · Intermediate Countable noun British English

n. the symbol #, often used on social media or telephones.

n. the character #, also known as an octothorpe or pound sign, frequently used in social media tagging and telecommunications.

“To join the conversation on Twitter, use the hash symbol before the keyword.”

“In the United Kingdom, the symbol is commonly referred to as a hash, whereas American speakers typically identify it as a pound sign.”

C1 · Advanced Uncountable noun Slang · Informal

n. a strong drug made from the cannabis plant.

n. a concentrated form of cannabis produced from the resin of the plant.

“The police seized a large quantity of hash during the raid.”

“The legislation distinguishes between the possession of raw cannabis leaf and more concentrated derivatives like hash.”

C1 · Advanced Countable noun Computing Technical

n. a fixed string of numbers and letters created by a computer to represent data.

n. the output generated by a hash function, used to verify data integrity or map data to a fixed size.

“The website stores a hash of your password rather than the password itself.”

“Cryptographic hashes are essential for blockchain technology, as they ensure that the data within a block has not been tampered with.”

B2 · Upper Intermediate Cooking

v. to chop something, like meat or vegetables, into very small pieces.

v. to mince or chop food into small pieces for cooking.

“You need to hash the potatoes finely so they cook evenly in the pan.”

“The recipe instructs the cook to hash the remaining turkey meat before folding it into the savory sauce.”

C1 · Advanced Computing Technical

v. to use a computer program to turn data into a fixed string of characters.

v. to convert an input of any length into a fixed-size string of text using a specific algorithm.

“The system will hash the file to check if it was downloaded correctly.”

“By hashing the sensitive user identifiers, the researchers were able to analyze the dataset without compromising individual privacy.”