ser
ser — abbreviation
1. A short form of 'serial', written on products, documents, or equipment to label
A short form of 'serial', written on products, documents, or equipment to label a unique identification number that tells one item apart from others of the same type.
Imran checked the ser number on the back of the router before calling tech support.
ser + number for product identification
The warehouse staff recorded the ser code from each box into the inventory system.
ser code for item tracking
Sofia found the warranty card useless because the ser label had faded and was unreadable.
Every laptop in the office has a printed ser stamped near the charging port.
用法筆記
Usually appears before a number or code, often as 'ser no.' or 'ser #' on labels and forms.
常見錯誤
2. A short form of 'series', used in cataloguing and publishing to show which numbe
A short form of 'series', used in cataloguing and publishing to show which numbered group or set a book, report, or television programme belongs to.
Linh checked the ser number on the spine to find the right textbook edition.
ser number for series edition
The librarian organised the journals by volume and ser so students could find them easily.
Walid noticed that the DVD box set was marked as ser 3 on the side label.
Each research paper was filed under a ser designation matching the publication year.
用法筆記
Common in library catalogues and academic databases where 'ser' appears alongside volume (vol.) and part numbers.
3. A short form of 'service', written on bills, forms, signs, or internal labels to
A short form of 'service', written on bills, forms, signs, or internal labels to show a type of service such as customer support, room service, or vehicle maintenance.
The hotel bill listed mini-bar items under a separate ser category from the room.
ser category for billing
Maja pressed button 3 on the office phone to reach the customer ser department.
The mechanic wrote 'ser A' on the repair form to indicate standard maintenance work.
Reuben filled out a ser request slip and gave it to the hotel front desk.
用法筆記
Frequently seen on forms where space is limited, such as invoices, maintenance logs, and telephone system directories.
4. A standard three-letter abbreviation used in biochemistry and molecular biology
A standard three-letter abbreviation used in biochemistry and molecular biology to refer to the amino acid serine, or to the seryl group that forms part of a protein chain.
A mutation at position 88 changed the amino acid from ser to phe, the paper reported.
ser as three-letter amino acid code
Dr. Okafor explained that the ser residue was critical for the enzyme's activity.
The diagram showed five ser sites where the protein could be modified by phosphorylation.
Diya's data showed that replacing ser with ala made the protein fold differently.
用法筆記
Part of the IUPAC standard three-letter amino acid code. Always written in lowercase in prose (ser), but may appear in uppercase (SER) in sequence alignment software.