(transitive) To remove the caffeine from something (especially from coffee).

(transitive) To reduce the velocity of something. / (transitive) To reduce the rate of advancement of something, such as a disease. / (intransitive) To go slower.

Ten litres. Symbol: dal

A vessel for decanting liquor. / A receptacle for decanted liquor, especially a crystal bottle with a stopper.

(historical) The failed uprising (in December 1825) by Russian army officers in an effort to prevent the accession of Nicholas I.

In a decent manner. / To a reasonable or acceptable degree.

(physics) A nuclear reaction in which a beta particle (electron or positron) is emitted.

A polyhedron with ten faces.

No more than adequate. / (US, idiomatic) Good - better than expected.

(physics) Any of several processes by which unstable nuclei emit subatomic particles and/or ionizing radiation and disintegrate into one or more smaller nuclei.