A scarlet pigment obtained from sticklac.

Any of a group of brightly-coloured dyes based on a triphenylmethane backbone

With regard to, or by means of dyads

(economics) a situation in which it is impossible to make one generation better off without making another generation worse off

(American football)

(Roman Catholicism, politics) The doctrine, traced back to Pope Gelasius I, that there are two authorities governing human affairs, the spiritual authority of the church and the temporal authority of the empire or secular government.

(rail transport) Braking by the use of an electric traction motor as a generator when slowing a vehicle such as an electric or diesel-electric locomotive.

plural of dynamic verb

(grammar) a verb which generally expresses an action or activity rather than a state.

(physics) The fluid dynamics of ferrofluids