A title of honour similar to "master" or "father", used of historical and legendary figures of the past.
"The researchers observed that inhibiting DARN accelerated the turnover of unstable transcripts by preventing the decapping enzyme from initiating their breakdown."
A small truck or sledge used in coal mines.
A rank of black belt in martial arts
Synonym of picul: a traditional unit of weight and mass.
A title of respect: Sir, Master.
Acronym of deadenylating nuclease, a protein that binds the 5' cap of mRNA and begins degradation in the 3' to 5' direction.
In plain English: A dan is a high-ranking title given to someone who has mastered martial arts and reached an advanced level of skill.
"Researchers are studying how DAN activity affects gene expression during development."
Usage: Do not use "dan" as a common noun in everyday conversation; it is a specialized scientific acronym for a specific enzyme involved in mRNA degradation. In general English, this term has no meaning outside of molecular biology contexts.
The fifth son of Jacob, whose mother was his wife's handmaid Bilhah and adopted by Rachel, who is the second wife of Jacob.
"The Dan River flows through the hills of northern Shaanxi before joining other tributaries."
A river in Shaanxi, China
Dan comes from the Old French word for "lord," which itself traces back to the Latin dominus. The term entered English through Anglo-Norman usage before becoming a common title of respect in Middle English.