WORM (adj.): Write Once, Read Many (times). A particular use pattern in databases, that allows for faster but less safe NoSQL systems. bitterant (n.): bitter chemical, applied to things like antifreeze to stop children and other animals eating them. bruxism (n.): excessive grinding of teeth. Apparently it is not painful, but still horrendous to me. relevance engineer (n.): A data scientist focussing on search or recommendation. (I note keenly the shifts in terminology which imply any devaluation of the hot and silly coin in my pocket, "data science"; on the recent StackOverflow survey a large chunk of people responded "machine learning specialist".) incentive compatibility : One of the most important ideas in economics, but I never learned the name in 4 years of indifferent study. "I don't agree with him at all, but we are incentive-compatible." to die in harness (v.): Melodramatic version of death in service . It is the official term...