Separated from reality and practical matters; overly academic.

A riverside fortress in London, used as a palace, a prison and now a museum housing the Crown Jewels.

plural of towering inferno

(poetic) A tall fire, as of a building. / A powerful, untamed force.

the device used for producing prill agglomerates

(transitive) To be much tall or high than something; to loom over. / (transitive, figuratively) To be much greater or more important than.

electricity pylon

(mathematics) A chain of exponentiations, or raising to powers, of the form a^(aa...); tetration.

Small, temporary scaffolding, often equipped with wheels, for small-scale building work

(historical) A siege weapon, consisting of a wheeled wooden tower with ladders inside, which was parked next to walls so assailants could safely scale them.